498102020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1915777}}^1$

素因数の和:1915799

約数の個数: 24

約数和(自身を含む): 1126477464

約数和(自身を除く): 628375444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1915777, 3831554, 7663108, 9578885, 19157770, 24905101, 38315540, 49810202, 99620404, 124525505, 249051010, 498102020]

約数ペア:

[(1, 498102020), (2, 249051010), (4, 124525505), (5, 99620404), (10, 49810202), (13, 38315540), (20, 24905101), (26, 19157770), (52, 9578885), (65, 7663108), (130, 3831554), (260, 1915777)]