4405180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16943}}^1$

素因数の和:16965

約数の個数: 24

約数和(自身を含む): 9963072

約数和(自身を除く): 5557892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 16943, 33886, 67772, 84715, 169430, 220259, 338860, 440518, 881036, 1101295, 2202590, 4405180]

約数ペア:

[(1, 4405180), (2, 2202590), (4, 1101295), (5, 881036), (10, 440518), (13, 338860), (20, 220259), (26, 169430), (52, 84715), (65, 67772), (130, 33886), (260, 16943)]