54391025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1657}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 73396344

約数和(自身を除く): 19005319

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 1313, 1657, 2525, 6565, 8285, 21541, 32825, 41425, 107705, 167357, 538525, 836785, 2175641, 4183925, 10878205, 54391025]

約数ペア:

[(1, 54391025), (5, 10878205), (13, 4183925), (25, 2175641), (65, 836785), (101, 538525), (325, 167357), (505, 107705), (1313, 41425), (1657, 32825), (2525, 21541), (6565, 8285)]