325188880

素因数分解:

$2^4\times 5^1\times {\mathrm{4064861}}^1$

素因数の和:4064874

約数の個数: 20

約数和(自身を含む): 756064332

約数和(自身を除く): 430875452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4064861, 8129722, 16259444, 20324305, 32518888, 40648610, 65037776, 81297220, 162594440, 325188880]

約数ペア:

[(1, 325188880), (2, 162594440), (4, 81297220), (5, 65037776), (8, 40648610), (10, 32518888), (16, 20324305), (20, 16259444), (40, 8129722), (80, 4064861)]