90871625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{55921}}^1$

素因数の和:55949

約数の個数: 16

約数和(自身を含む): 122133648

約数和(自身を除く): 31262023

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 55921, 279605, 726973, 1398025, 3634865, 6990125, 18174325, 90871625]

約数ペア:

[(1, 90871625), (5, 18174325), (13, 6990125), (25, 3634865), (65, 1398025), (125, 726973), (325, 279605), (1625, 55921)]