2421640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4657}}^1$

素因数の和:4681

約数の個数: 32

約数和(自身を含む): 5869080

約数和(自身を除く): 3447440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 4657, 9314, 18628, 23285, 37256, 46570, 60541, 93140, 121082, 186280, 242164, 302705, 484328, 605410, 1210820, 2421640]

約数ペア:

[(1, 2421640), (2, 1210820), (4, 605410), (5, 484328), (8, 302705), (10, 242164), (13, 186280), (20, 121082), (26, 93140), (40, 60541), (52, 46570), (65, 37256), (104, 23285), (130, 18628), (260, 9314), (520, 4657)]