20074977520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{16829}}^1$

素因数の和:16923

約数の個数: 160

約数和(自身を含む): 53291589120

約数和(自身を除く): 33216611600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 37, 40, 52, 62, 65, 74, 80, 104, 124, 130, 148, 155, 185, 208, 248, 260, 296, 310, 370, 403, 481, 496, 520, 592, 620, 740, 806, 962, 1040, 1147, 1240, 1480, 1612, 1924, 2015, 2294, 2405, 2480, 2960, 3224, 3848, 4030, 4588, 4810, 5735, 6448, 7696, 8060, 9176, 9620, 11470, 14911, 16120, 16829, 18352, 19240, 22940, 29822, 32240, 33658, 38480, 45880, 59644, 67316, 74555, 84145, 91760, 119288, 134632, 149110, 168290, 218777, 238576, 269264, 298220, 336580, 437554, 521699, 596440, 622673, 673160, 875108, 1043398, 1093885, 1192880, 1245346, 1346320, 1750216, 2086796, 2187770, 2490692, 2608495, 3113365, 3500432, 4173592, 4375540, 4981384, 5216990, 6226730, 6782087, 8094749, 8347184, 8751080, 9962768, 10433980, 12453460, 13564174, 16189498, 17502160, 19302863, 20867960, 24906920, 27128348, 32378996, 33910435, 38605726, 40473745, 41735920, 49813840, 54256696, 64757992, 67820870, 77211452, 80947490, 96514315, 108513392, 129515984, 135641740, 154422904, 161894980, 193028630, 250937219, 271283480, 308845808, 323789960, 386057260, 501874438, 542566960, 647579920, 772114520, 1003748876, 1254686095, 1544229040, 2007497752, 2509372190, 4014995504, 5018744380, 10037488760, 20074977520]

約数ペア:

[(1, 20074977520), (2, 10037488760), (4, 5018744380), (5, 4014995504), (8, 2509372190), (10, 2007497752), (13, 1544229040), (16, 1254686095), (20, 1003748876), (26, 772114520), (31, 647579920), (37, 542566960), (40, 501874438), (52, 386057260), (62, 323789960), (65, 308845808), (74, 271283480), (80, 250937219), (104, 193028630), (124, 161894980), (130, 154422904), (148, 135641740), (155, 129515984), (185, 108513392), (208, 96514315), (248, 80947490), (260, 77211452), (296, 67820870), (310, 64757992), (370, 54256696), (403, 49813840), (481, 41735920), (496, 40473745), (520, 38605726), (592, 33910435), (620, 32378996), (740, 27128348), (806, 24906920), (962, 20867960), (1040, 19302863), (1147, 17502160), (1240, 16189498), (1480, 13564174), (1612, 12453460), (1924, 10433980), (2015, 9962768), (2294, 8751080), (2405, 8347184), (2480, 8094749), (2960, 6782087), (3224, 6226730), (3848, 5216990), (4030, 4981384), (4588, 4375540), (4810, 4173592), (5735, 3500432), (6448, 3113365), (7696, 2608495), (8060, 2490692), (9176, 2187770), (9620, 2086796), (11470, 1750216), (14911, 1346320), (16120, 1245346), (16829, 1192880), (18352, 1093885), (19240, 1043398), (22940, 875108), (29822, 673160), (32240, 622673), (33658, 596440), (38480, 521699), (45880, 437554), (59644, 336580), (67316, 298220), (74555, 269264), (84145, 238576), (91760, 218777), (119288, 168290), (134632, 149110)]