90810025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5167}}^1$

素因数の和:5233

約数の個数: 24

約数和(自身を含む): 121758080

約数和(自身を除く): 30948055

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 925, 3515, 5167, 17575, 25835, 98173, 129175, 191179, 490865, 955895, 2454325, 3632401, 4779475, 18162005, 90810025]

約数ペア:

[(1, 90810025), (5, 18162005), (19, 4779475), (25, 3632401), (37, 2454325), (95, 955895), (185, 490865), (475, 191179), (703, 129175), (925, 98173), (3515, 25835), (5167, 17575)]