13150625

素因数分解:

$5^4\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 20

約数和(自身を含む): 16785252

約数和(自身を除く): 3634627

約数列:

[1, 5, 25, 53, 125, 265, 397, 625, 1325, 1985, 6625, 9925, 21041, 33125, 49625, 105205, 248125, 526025, 2630125, 13150625]

約数ペア:

[(1, 13150625), (5, 2630125), (25, 526025), (53, 248125), (125, 105205), (265, 49625), (397, 33125), (625, 21041), (1325, 9925), (1985, 6625)]