78898580

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{16369}}^1$

素因数の和:16619

約数の個数: 24

約数和(自身を含む): 166384680

約数和(自身を除く): 87486100

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 16369, 32738, 65476, 81845, 163690, 327380, 3944929, 7889858, 15779716, 19724645, 39449290, 78898580]

約数ペア:

[(1, 78898580), (2, 39449290), (4, 19724645), (5, 15779716), (10, 7889858), (20, 3944929), (241, 327380), (482, 163690), (964, 81845), (1205, 65476), (2410, 32738), (4820, 16369)]