64143340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103457}}^1$

素因数の和:103497

約数の個数: 24

約数和(自身を含む): 139047552

約数和(自身を除く): 74904212

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 103457, 206914, 413828, 517285, 1034570, 2069140, 3207167, 6414334, 12828668, 16035835, 32071670, 64143340]

約数ペア:

[(1, 64143340), (2, 32071670), (4, 16035835), (5, 12828668), (10, 6414334), (20, 3207167), (31, 2069140), (62, 1034570), (124, 517285), (155, 413828), (310, 206914), (620, 103457)]