128025160

素因数分解:

$2^3\times 5^1\times {\mathrm{3200629}}^1$

素因数の和:3200640

約数の個数: 16

約数和(自身を含む): 288056700

約数和(自身を除く): 160031540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3200629, 6401258, 12802516, 16003145, 25605032, 32006290, 64012580, 128025160]

約数ペア:

[(1, 128025160), (2, 64012580), (4, 32006290), (5, 25605032), (8, 16003145), (10, 12802516), (20, 6401258), (40, 3200629)]