83261875

素因数分解:

$5^4\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1440

約数の個数: 20

約数和(自身を含む): 105153840

約数和(自身を除く): 21891965

約数列:

[1, 5, 25, 101, 125, 505, 625, 1319, 2525, 6595, 12625, 32975, 63125, 133219, 164875, 666095, 824375, 3330475, 16652375, 83261875]

約数ペア:

[(1, 83261875), (5, 16652375), (25, 3330475), (101, 824375), (125, 666095), (505, 164875), (625, 133219), (1319, 63125), (2525, 32975), (6595, 12625)]