61989020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163129}}^1$

素因数の和:163157

約数の個数: 24

約数和(自身を含む): 137029200

約数和(自身を除く): 75040180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 163129, 326258, 652516, 815645, 1631290, 3099451, 3262580, 6198902, 12397804, 15497255, 30994510, 61989020]

約数ペア:

[(1, 61989020), (2, 30994510), (4, 15497255), (5, 12397804), (10, 6198902), (19, 3262580), (20, 3099451), (38, 1631290), (76, 815645), (95, 652516), (190, 326258), (380, 163129)]