13020875

素因数分解:

$5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 19408896

約数和(自身を除く): 6388021

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 575, 647, 805, 875, 2875, 3235, 4025, 4529, 14881, 16175, 20125, 22645, 74405, 80875, 104167, 113225, 372025, 520835, 566125, 1860125, 2604175, 13020875]

約数ペア:

[(1, 13020875), (5, 2604175), (7, 1860125), (23, 566125), (25, 520835), (35, 372025), (115, 113225), (125, 104167), (161, 80875), (175, 74405), (575, 22645), (647, 20125), (805, 16175), (875, 14881), (2875, 4529), (3235, 4025)]