64325890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{63689}}^1$

素因数の和:63797

約数の個数: 16

約数和(自身を含む): 116934840

約数和(自身を除く): 52608950

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 63689, 127378, 318445, 636890, 6432589, 12865178, 32162945, 64325890]

約数ペア:

[(1, 64325890), (2, 32162945), (5, 12865178), (10, 6432589), (101, 636890), (202, 318445), (505, 127378), (1010, 63689)]