201988720

素因数分解:

$2^4\times 5^1\times {\mathrm{2524859}}^1$

素因数の和:2524872

約数の個数: 20

約数和(自身を含む): 469623960

約数和(自身を除く): 267635240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524859, 5049718, 10099436, 12624295, 20198872, 25248590, 40397744, 50497180, 100994360, 201988720]

約数ペア:

[(1, 201988720), (2, 100994360), (4, 50497180), (5, 40397744), (8, 25248590), (10, 20198872), (16, 12624295), (20, 10099436), (40, 5049718), (80, 2524859)]