51655240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 149506560

約数和(自身を除く): 97851320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 455, 460, 520, 598, 617, 644, 728, 805, 910, 920, 1196, 1234, 1288, 1495, 1610, 1820, 2093, 2392, 2468, 2990, 3085, 3220, 3640, 4186, 4319, 4936, 5980, 6170, 6440, 8021, 8372, 8638, 10465, 11960, 12340, 14191, 16042, 16744, 17276, 20930, 21595, 24680, 28382, 32084, 34552, 40105, 41860, 43190, 56147, 56764, 64168, 70955, 80210, 83720, 86380, 99337, 112294, 113528, 141910, 160420, 172760, 184483, 198674, 224588, 280735, 283820, 320840, 368966, 397348, 449176, 496685, 561470, 567640, 737932, 794696, 922415, 993370, 1122940, 1291381, 1475864, 1844830, 1986740, 2245880, 2582762, 3689660, 3973480, 5165524, 6456905, 7379320, 10331048, 12913810, 25827620, 51655240]

約数ペア:

[(1, 51655240), (2, 25827620), (4, 12913810), (5, 10331048), (7, 7379320), (8, 6456905), (10, 5165524), (13, 3973480), (14, 3689660), (20, 2582762), (23, 2245880), (26, 1986740), (28, 1844830), (35, 1475864), (40, 1291381), (46, 1122940), (52, 993370), (56, 922415), (65, 794696), (70, 737932), (91, 567640), (92, 561470), (104, 496685), (115, 449176), (130, 397348), (140, 368966), (161, 320840), (182, 283820), (184, 280735), (230, 224588), (260, 198674), (280, 184483), (299, 172760), (322, 160420), (364, 141910), (455, 113528), (460, 112294), (520, 99337), (598, 86380), (617, 83720), (644, 80210), (728, 70955), (805, 64168), (910, 56764), (920, 56147), (1196, 43190), (1234, 41860), (1288, 40105), (1495, 34552), (1610, 32084), (1820, 28382), (2093, 24680), (2392, 21595), (2468, 20930), (2990, 17276), (3085, 16744), (3220, 16042), (3640, 14191), (4186, 12340), (4319, 11960), (4936, 10465), (5980, 8638), (6170, 8372), (6440, 8021)]