99916640

素因数分解:

$2^5\times 5^1\times {\mathrm{624479}}^1$

素因数の和:624494

約数の個数: 24

約数和(自身を含む): 236053440

約数和(自身を除く): 136136800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 624479, 1248958, 2497916, 3122395, 4995832, 6244790, 9991664, 12489580, 19983328, 24979160, 49958320, 99916640]

約数ペア:

[(1, 99916640), (2, 49958320), (4, 24979160), (5, 19983328), (8, 12489580), (10, 9991664), (16, 6244790), (20, 4995832), (32, 3122395), (40, 2497916), (80, 1248958), (160, 624479)]