165151160

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{40879}}^1$

素因数の和:40991

約数の個数: 32

約数和(自身を含む): 375278400

約数和(自身を除く): 210127240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 40879, 81758, 163516, 204395, 327032, 408790, 817580, 1635160, 4128779, 8257558, 16515116, 20643895, 33030232, 41287790, 82575580, 165151160]

約数ペア:

[(1, 165151160), (2, 82575580), (4, 41287790), (5, 33030232), (8, 20643895), (10, 16515116), (20, 8257558), (40, 4128779), (101, 1635160), (202, 817580), (404, 408790), (505, 327032), (808, 204395), (1010, 163516), (2020, 81758), (4040, 40879)]