13261250

素因数分解:

$2^1\times 5^4\times {\mathrm{103}}^2$

素因数の和:228

約数の個数: 30

約数和(自身を含む): 25100559

約数和(自身を除く): 11839309

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 206, 250, 515, 625, 1030, 1250, 2575, 5150, 10609, 12875, 21218, 25750, 53045, 64375, 106090, 128750, 265225, 530450, 1326125, 2652250, 6630625, 13261250]

約数ペア:

[(1, 13261250), (2, 6630625), (5, 2652250), (10, 1326125), (25, 530450), (50, 265225), (103, 128750), (125, 106090), (206, 64375), (250, 53045), (515, 25750), (625, 21218), (1030, 12875), (1250, 10609), (2575, 5150)]