4099120

素因数分解:

$2^4\times 5^1\times {\mathrm{51239}}^1$

素因数の和:51252

約数の個数: 20

約数和(自身を含む): 9530640

約数和(自身を除く): 5431520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51239, 102478, 204956, 256195, 409912, 512390, 819824, 1024780, 2049560, 4099120]

約数ペア:

[(1, 4099120), (2, 2049560), (4, 1024780), (5, 819824), (8, 512390), (10, 409912), (16, 256195), (20, 204956), (40, 102478), (80, 51239)]