87042575

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{3623}}^1$

素因数の和:3695

約数の個数: 18

約数和(自身を含む): 111557592

約数和(自身を除く): 24515017

約数列:

[1, 5, 25, 31, 155, 775, 961, 3623, 4805, 18115, 24025, 90575, 112313, 561565, 2807825, 3481703, 17408515, 87042575]

約数ペア:

[(1, 87042575), (5, 17408515), (25, 3481703), (31, 2807825), (155, 561565), (775, 112313), (961, 90575), (3623, 24025), (4805, 18115)]