100243840

素因数分解:

$2^7\times 5^1\times {\mathrm{156631}}^1$

素因数の和:156650

約数の個数: 32

約数和(自身を含む): 239646960

約数和(自身を除く): 139403120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 156631, 313262, 626524, 783155, 1253048, 1566310, 2506096, 3132620, 5012192, 6265240, 10024384, 12530480, 20048768, 25060960, 50121920, 100243840]

約数ペア:

[(1, 100243840), (2, 50121920), (4, 25060960), (5, 20048768), (8, 12530480), (10, 10024384), (16, 6265240), (20, 5012192), (32, 3132620), (40, 2506096), (64, 1566310), (80, 1253048), (128, 783155), (160, 626524), (320, 313262), (640, 156631)]