20166125

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 30301440

約数和(自身を除く): 10135315

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 665, 875, 1213, 2375, 3325, 6065, 8491, 16625, 23047, 30325, 42455, 115235, 151625, 161329, 212275, 576175, 806645, 1061375, 2880875, 4033225, 20166125]

約数ペア:

[(1, 20166125), (5, 4033225), (7, 2880875), (19, 1061375), (25, 806645), (35, 576175), (95, 212275), (125, 161329), (133, 151625), (175, 115235), (475, 42455), (665, 30325), (875, 23047), (1213, 16625), (2375, 8491), (3325, 6065)]