64757090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{81971}}^1$

素因数の和:82057

約数の個数: 16

約数和(自身を含む): 118039680

約数和(自身を除く): 53282590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 81971, 163942, 409855, 819710, 6475709, 12951418, 32378545, 64757090]

約数ペア:

[(1, 64757090), (2, 32378545), (5, 12951418), (10, 6475709), (79, 819710), (158, 409855), (395, 163942), (790, 81971)]