722020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 1633464

約数和(自身を除く): 911444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2777, 5554, 11108, 13885, 27770, 36101, 55540, 72202, 144404, 180505, 361010, 722020]

約数ペア:

[(1, 722020), (2, 361010), (4, 180505), (5, 144404), (10, 72202), (13, 55540), (20, 36101), (26, 27770), (52, 13885), (65, 11108), (130, 5554), (260, 2777)]