87992180

素因数分解:

$2^2\times 5^1\times {\mathrm{4399609}}^1$

素因数の和:4399618

約数の個数: 12

約数和(自身を含む): 184783620

約数和(自身を除く): 96791440

約数列:

[1, 2, 4, 5, 10, 20, 4399609, 8799218, 17598436, 21998045, 43996090, 87992180]

約数ペア:

[(1, 87992180), (2, 43996090), (4, 21998045), (5, 17598436), (10, 8799218), (20, 4399609)]