25465180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97943}}^1$

素因数の和:97965

約数の個数: 24

約数和(自身を含む): 57591072

約数和(自身を除く): 32125892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 97943, 195886, 391772, 489715, 979430, 1273259, 1958860, 2546518, 5093036, 6366295, 12732590, 25465180]

約数ペア:

[(1, 25465180), (2, 12732590), (4, 6366295), (5, 5093036), (10, 2546518), (13, 1958860), (20, 1273259), (26, 979430), (52, 489715), (65, 391772), (130, 195886), (260, 97943)]