87657025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 114260544

約数和(自身を除く): 26603519

約数列:

[1, 5, 23, 25, 115, 157, 575, 785, 971, 3611, 3925, 4855, 18055, 22333, 24275, 90275, 111665, 152447, 558325, 762235, 3506281, 3811175, 17531405, 87657025]

約数ペア:

[(1, 87657025), (5, 17531405), (23, 3811175), (25, 3506281), (115, 762235), (157, 558325), (575, 152447), (785, 111665), (971, 90275), (3611, 24275), (3925, 22333), (4855, 18055)]