55898320

素因数分解:

$2^4\times 5^1\times {\mathrm{698729}}^1$

素因数の和:698742

約数の個数: 20

約数和(自身を含む): 129963780

約数和(自身を除く): 74065460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 698729, 1397458, 2794916, 3493645, 5589832, 6987290, 11179664, 13974580, 27949160, 55898320]

約数ペア:

[(1, 55898320), (2, 27949160), (4, 13974580), (5, 11179664), (8, 6987290), (10, 5589832), (16, 3493645), (20, 2794916), (40, 1397458), (80, 698729)]