8881460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{63439}}^1$

素因数の和:63455

約数の個数: 24

約数和(自身を含む): 21315840

約数和(自身を除く): 12434380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 63439, 126878, 253756, 317195, 444073, 634390, 888146, 1268780, 1776292, 2220365, 4440730, 8881460]

約数ペア:

[(1, 8881460), (2, 4440730), (4, 2220365), (5, 1776292), (7, 1268780), (10, 888146), (14, 634390), (20, 444073), (28, 317195), (35, 253756), (70, 126878), (140, 63439)]