84512840

素因数分解:

$2^3\times 5^1\times {\mathrm{2112821}}^1$

素因数の和:2112832

約数の個数: 16

約数和(自身を含む): 190153980

約数和(自身を除く): 105641140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2112821, 4225642, 8451284, 10564105, 16902568, 21128210, 42256420, 84512840]

約数ペア:

[(1, 84512840), (2, 42256420), (4, 21128210), (5, 16902568), (8, 10564105), (10, 8451284), (20, 4225642), (40, 2112821)]