201998320

素因数分解:

$2^4\times 5^1\times {\mathrm{2524979}}^1$

素因数の和:2524992

約数の個数: 20

約数和(自身を含む): 469646280

約数和(自身を除く): 267647960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2524979, 5049958, 10099916, 12624895, 20199832, 25249790, 40399664, 50499580, 100999160, 201998320]

約数ペア:

[(1, 201998320), (2, 100999160), (4, 50499580), (5, 40399664), (8, 25249790), (10, 20199832), (16, 12624895), (20, 10099916), (40, 5049958), (80, 2524979)]