64525180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{19793}}^1$

素因数の和:19965

約数の個数: 24

約数和(自身を含む): 136341072

約数和(自身を除く): 71815892

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 19793, 39586, 79172, 98965, 197930, 395860, 3226259, 6452518, 12905036, 16131295, 32262590, 64525180]

約数ペア:

[(1, 64525180), (2, 32262590), (4, 16131295), (5, 12905036), (10, 6452518), (20, 3226259), (163, 395860), (326, 197930), (652, 98965), (815, 79172), (1630, 39586), (3260, 19793)]