9808720

素因数分解:

$2^4\times 5^1\times {\mathrm{122609}}^1$

素因数の和:122622

約数の個数: 20

約数和(自身を含む): 22805460

約数和(自身を除く): 12996740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122609, 245218, 490436, 613045, 980872, 1226090, 1961744, 2452180, 4904360, 9808720]

約数ペア:

[(1, 9808720), (2, 4904360), (4, 2452180), (5, 1961744), (8, 1226090), (10, 980872), (16, 613045), (20, 490436), (40, 245218), (80, 122609)]