9747440

素因数分解:

$2^4\times 5^1\times {\mathrm{121843}}^1$

素因数の和:121856

約数の個数: 20

約数和(自身を含む): 22662984

約数和(自身を除く): 12915544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 121843, 243686, 487372, 609215, 974744, 1218430, 1949488, 2436860, 4873720, 9747440]

約数ペア:

[(1, 9747440), (2, 4873720), (4, 2436860), (5, 1949488), (8, 1218430), (10, 974744), (16, 609215), (20, 487372), (40, 243686), (80, 121843)]