100407680

素因数分解:

$2^7\times 5^1\times {\mathrm{156887}}^1$

素因数の和:156906

約数の個数: 32

約数和(自身を含む): 240038640

約数和(自身を除く): 139630960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 156887, 313774, 627548, 784435, 1255096, 1568870, 2510192, 3137740, 5020384, 6275480, 10040768, 12550960, 20081536, 25101920, 50203840, 100407680]

約数ペア:

[(1, 100407680), (2, 50203840), (4, 25101920), (5, 20081536), (8, 12550960), (10, 10040768), (16, 6275480), (20, 5020384), (32, 3137740), (40, 2510192), (64, 1568870), (80, 1255096), (128, 784435), (160, 627548), (320, 313774), (640, 156887)]