100648640

素因数分解:

$2^6\times 5^1\times {\mathrm{314527}}^1$

素因数の和:314544

約数の個数: 28

約数和(自身を含む): 239670336

約数和(自身を除く): 139021696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 314527, 629054, 1258108, 1572635, 2516216, 3145270, 5032432, 6290540, 10064864, 12581080, 20129728, 25162160, 50324320, 100648640]

約数ペア:

[(1, 100648640), (2, 50324320), (4, 25162160), (5, 20129728), (8, 12581080), (10, 10064864), (16, 6290540), (20, 5032432), (32, 3145270), (40, 2516216), (64, 1572635), (80, 1258108), (160, 629054), (320, 314527)]