401065160

素因数分解:

$2^3\times 5^1\times {\mathrm{10026629}}^1$

素因数の和:10026640

約数の個数: 16

約数和(自身を含む): 902396700

約数和(自身を除く): 501331540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10026629, 20053258, 40106516, 50133145, 80213032, 100266290, 200532580, 401065160]

約数ペア:

[(1, 401065160), (2, 200532580), (4, 100266290), (5, 80213032), (8, 50133145), (10, 40106516), (20, 20053258), (40, 10026629)]