78554320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75533}}^1$

素因数の和:75559

約数の個数: 40

約数和(自身を含む): 196690536

約数和(自身を除く): 118136216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75533, 151066, 302132, 377665, 604264, 755330, 981929, 1208528, 1510660, 1963858, 3021320, 3927716, 4909645, 6042640, 7855432, 9819290, 15710864, 19638580, 39277160, 78554320]

約数ペア:

[(1, 78554320), (2, 39277160), (4, 19638580), (5, 15710864), (8, 9819290), (10, 7855432), (13, 6042640), (16, 4909645), (20, 3927716), (26, 3021320), (40, 1963858), (52, 1510660), (65, 1208528), (80, 981929), (104, 755330), (130, 604264), (208, 377665), (260, 302132), (520, 151066), (1040, 75533)]