130160

素因数分解:

$2^4\times 5^1\times {\mathrm{1627}}^1$

素因数の和:1640

約数の個数: 20

約数和(自身を含む): 302808

約数和(自身を除く): 172648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1627, 3254, 6508, 8135, 13016, 16270, 26032, 32540, 65080, 130160]

約数ペア:

[(1, 130160), (2, 65080), (4, 32540), (5, 26032), (8, 16270), (10, 13016), (16, 8135), (20, 6508), (40, 3254), (80, 1627)]