8791120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 22498560

約数和(自身を除く): 13707440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 107, 130, 158, 208, 214, 260, 316, 395, 428, 520, 535, 632, 790, 856, 1027, 1040, 1070, 1264, 1391, 1580, 1712, 2054, 2140, 2782, 3160, 4108, 4280, 5135, 5564, 6320, 6955, 8216, 8453, 8560, 10270, 11128, 13910, 16432, 16906, 20540, 22256, 27820, 33812, 41080, 42265, 55640, 67624, 82160, 84530, 109889, 111280, 135248, 169060, 219778, 338120, 439556, 549445, 676240, 879112, 1098890, 1758224, 2197780, 4395560, 8791120]

約数ペア:

[(1, 8791120), (2, 4395560), (4, 2197780), (5, 1758224), (8, 1098890), (10, 879112), (13, 676240), (16, 549445), (20, 439556), (26, 338120), (40, 219778), (52, 169060), (65, 135248), (79, 111280), (80, 109889), (104, 84530), (107, 82160), (130, 67624), (158, 55640), (208, 42265), (214, 41080), (260, 33812), (316, 27820), (395, 22256), (428, 20540), (520, 16906), (535, 16432), (632, 13910), (790, 11128), (856, 10270), (1027, 8560), (1040, 8453), (1070, 8216), (1264, 6955), (1391, 6320), (1580, 5564), (1712, 5135), (2054, 4280), (2140, 4108), (2782, 3160)]