406202320

素因数分解:

$2^4\times 5^1\times {\mathrm{5077529}}^1$

素因数の和:5077542

約数の個数: 20

約数和(自身を含む): 944420580

約数和(自身を除く): 538218260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5077529, 10155058, 20310116, 25387645, 40620232, 50775290, 81240464, 101550580, 203101160, 406202320]

約数ペア:

[(1, 406202320), (2, 203101160), (4, 101550580), (5, 81240464), (8, 50775290), (10, 40620232), (16, 25387645), (20, 20310116), (40, 10155058), (80, 5077529)]