1988720

素因数分解:

$2^4\times 5^1\times {\mathrm{24859}}^1$

素因数の和:24872

約数の個数: 20

約数和(自身を含む): 4623960

約数和(自身を除く): 2635240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24859, 49718, 99436, 124295, 198872, 248590, 397744, 497180, 994360, 1988720]

約数ペア:

[(1, 1988720), (2, 994360), (4, 497180), (5, 397744), (8, 248590), (10, 198872), (16, 124295), (20, 99436), (40, 49718), (80, 24859)]