392728640

素因数分解:

$2^6\times 5^1\times {\mathrm{1227277}}^1$

素因数の和:1227294

約数の個数: 28

約数和(自身を含む): 935185836

約数和(自身を除く): 542457196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1227277, 2454554, 4909108, 6136385, 9818216, 12272770, 19636432, 24545540, 39272864, 49091080, 78545728, 98182160, 196364320, 392728640]

約数ペア:

[(1, 392728640), (2, 196364320), (4, 98182160), (5, 78545728), (8, 49091080), (10, 39272864), (16, 24545540), (20, 19636432), (32, 12272770), (40, 9818216), (64, 6136385), (80, 4909108), (160, 2454554), (320, 1227277)]