2790125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:146

約数の個数: 32

約数和(自身を含む): 4009824

約数和(自身を除く): 1219699

約数列:

[1, 5, 13, 17, 25, 65, 85, 101, 125, 221, 325, 425, 505, 1105, 1313, 1625, 1717, 2125, 2525, 5525, 6565, 8585, 12625, 22321, 27625, 32825, 42925, 111605, 164125, 214625, 558025, 2790125]

約数ペア:

[(1, 2790125), (5, 558025), (13, 214625), (17, 164125), (25, 111605), (65, 42925), (85, 32825), (101, 27625), (125, 22321), (221, 12625), (325, 8585), (425, 6565), (505, 5525), (1105, 2525), (1313, 2125), (1625, 1717)]