40425920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 112

約数和(自身を含む): 103936800

約数和(自身を除く): 63510880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 64, 76, 80, 95, 109, 122, 152, 160, 190, 218, 244, 304, 305, 320, 380, 436, 488, 545, 608, 610, 760, 872, 976, 1090, 1159, 1216, 1220, 1520, 1744, 1952, 2071, 2180, 2318, 2440, 3040, 3488, 3904, 4142, 4360, 4636, 4880, 5795, 6080, 6649, 6976, 8284, 8720, 9272, 9760, 10355, 11590, 13298, 16568, 17440, 18544, 19520, 20710, 23180, 26596, 33136, 33245, 34880, 37088, 41420, 46360, 53192, 66272, 66490, 74176, 82840, 92720, 106384, 126331, 132544, 132980, 165680, 185440, 212768, 252662, 265960, 331360, 370880, 425536, 505324, 531920, 631655, 662720, 1010648, 1063840, 1263310, 2021296, 2127680, 2526620, 4042592, 5053240, 8085184, 10106480, 20212960, 40425920]

約数ペア:

[(1, 40425920), (2, 20212960), (4, 10106480), (5, 8085184), (8, 5053240), (10, 4042592), (16, 2526620), (19, 2127680), (20, 2021296), (32, 1263310), (38, 1063840), (40, 1010648), (61, 662720), (64, 631655), (76, 531920), (80, 505324), (95, 425536), (109, 370880), (122, 331360), (152, 265960), (160, 252662), (190, 212768), (218, 185440), (244, 165680), (304, 132980), (305, 132544), (320, 126331), (380, 106384), (436, 92720), (488, 82840), (545, 74176), (608, 66490), (610, 66272), (760, 53192), (872, 46360), (976, 41420), (1090, 37088), (1159, 34880), (1216, 33245), (1220, 33136), (1520, 26596), (1744, 23180), (1952, 20710), (2071, 19520), (2180, 18544), (2318, 17440), (2440, 16568), (3040, 13298), (3488, 11590), (3904, 10355), (4142, 9760), (4360, 9272), (4636, 8720), (4880, 8284), (5795, 6976), (6080, 6649)]