129890800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{24979}}^1$

素因数の和:25010

約数の個数: 60

約数和(自身を含む): 336080920

約数和(自身を除く): 206190120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 24979, 49958, 99916, 124895, 199832, 249790, 324727, 399664, 499580, 624475, 649454, 999160, 1248950, 1298908, 1623635, 1998320, 2497900, 2597816, 3247270, 4995800, 5195632, 6494540, 8118175, 9991600, 12989080, 16236350, 25978160, 32472700, 64945400, 129890800]

約数ペア:

[(1, 129890800), (2, 64945400), (4, 32472700), (5, 25978160), (8, 16236350), (10, 12989080), (13, 9991600), (16, 8118175), (20, 6494540), (25, 5195632), (26, 4995800), (40, 3247270), (50, 2597816), (52, 2497900), (65, 1998320), (80, 1623635), (100, 1298908), (104, 1248950), (130, 999160), (200, 649454), (208, 624475), (260, 499580), (325, 399664), (400, 324727), (520, 249790), (650, 199832), (1040, 124895), (1300, 99916), (2600, 49958), (5200, 24979)]