25489165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20639}}^1$

素因数の和:20676

約数の個数: 16

約数和(自身を含む): 34675200

約数和(自身を除く): 9186035

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 20639, 103195, 268307, 392141, 1341535, 1960705, 5097833, 25489165]

約数ペア:

[(1, 25489165), (5, 5097833), (13, 1960705), (19, 1341535), (65, 392141), (95, 268307), (247, 103195), (1235, 20639)]