9728720

素因数分解:

$2^4\times 5^1\times {\mathrm{121609}}^1$

素因数の和:121622

約数の個数: 20

約数和(自身を含む): 22619460

約数和(自身を除く): 12890740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 121609, 243218, 486436, 608045, 972872, 1216090, 1945744, 2432180, 4864360, 9728720]

約数ペア:

[(1, 9728720), (2, 4864360), (4, 2432180), (5, 1945744), (8, 1216090), (10, 972872), (16, 608045), (20, 486436), (40, 243218), (80, 121609)]