87420505

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{1447}}^1$

素因数の和:1776

約数の個数: 16

約数和(自身を含む): 107800704

約数和(自身を除く): 20380199

約数列:

[1, 5, 43, 215, 281, 1405, 1447, 7235, 12083, 60415, 62221, 311105, 406607, 2033035, 17484101, 87420505]

約数ペア:

[(1, 87420505), (5, 17484101), (43, 2033035), (215, 406607), (281, 311105), (1405, 62221), (1447, 60415), (7235, 12083)]