8697640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31063}}^1$

素因数の和:31081

約数の個数: 32

約数和(自身を含む): 22366080

約数和(自身を除く): 13668440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31063, 62126, 124252, 155315, 217441, 248504, 310630, 434882, 621260, 869764, 1087205, 1242520, 1739528, 2174410, 4348820, 8697640]

約数ペア:

[(1, 8697640), (2, 4348820), (4, 2174410), (5, 1739528), (7, 1242520), (8, 1087205), (10, 869764), (14, 621260), (20, 434882), (28, 310630), (35, 248504), (40, 217441), (56, 155315), (70, 124252), (140, 62126), (280, 31063)]