15555280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14957}}^1$

素因数の和:14983

約数の個数: 40

約数和(自身を含む): 38950632

約数和(自身を除く): 23395352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 14957, 29914, 59828, 74785, 119656, 149570, 194441, 239312, 299140, 388882, 598280, 777764, 972205, 1196560, 1555528, 1944410, 3111056, 3888820, 7777640, 15555280]

約数ペア:

[(1, 15555280), (2, 7777640), (4, 3888820), (5, 3111056), (8, 1944410), (10, 1555528), (13, 1196560), (16, 972205), (20, 777764), (26, 598280), (40, 388882), (52, 299140), (65, 239312), (80, 194441), (104, 149570), (130, 119656), (208, 74785), (260, 59828), (520, 29914), (1040, 14957)]