26121920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 112

約数和(自身を含む): 69896736

約数和(自身を除く): 43774816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 41, 44, 55, 64, 80, 82, 88, 110, 160, 164, 176, 181, 205, 220, 320, 328, 352, 362, 410, 440, 451, 656, 704, 724, 820, 880, 902, 905, 1312, 1448, 1640, 1760, 1804, 1810, 1991, 2255, 2624, 2896, 3280, 3520, 3608, 3620, 3982, 4510, 5792, 6560, 7216, 7240, 7421, 7964, 9020, 9955, 11584, 13120, 14432, 14480, 14842, 15928, 18040, 19910, 28864, 28960, 29684, 31856, 36080, 37105, 39820, 57920, 59368, 63712, 72160, 74210, 79640, 81631, 118736, 127424, 144320, 148420, 159280, 163262, 237472, 296840, 318560, 326524, 408155, 474944, 593680, 637120, 653048, 816310, 1187360, 1306096, 1632620, 2374720, 2612192, 3265240, 5224384, 6530480, 13060960, 26121920]

約数ペア:

[(1, 26121920), (2, 13060960), (4, 6530480), (5, 5224384), (8, 3265240), (10, 2612192), (11, 2374720), (16, 1632620), (20, 1306096), (22, 1187360), (32, 816310), (40, 653048), (41, 637120), (44, 593680), (55, 474944), (64, 408155), (80, 326524), (82, 318560), (88, 296840), (110, 237472), (160, 163262), (164, 159280), (176, 148420), (181, 144320), (205, 127424), (220, 118736), (320, 81631), (328, 79640), (352, 74210), (362, 72160), (410, 63712), (440, 59368), (451, 57920), (656, 39820), (704, 37105), (724, 36080), (820, 31856), (880, 29684), (902, 28960), (905, 28864), (1312, 19910), (1448, 18040), (1640, 15928), (1760, 14842), (1804, 14480), (1810, 14432), (1991, 13120), (2255, 11584), (2624, 9955), (2896, 9020), (3280, 7964), (3520, 7421), (3608, 7240), (3620, 7216), (3982, 6560), (4510, 5792)]