1428020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6491}}^1$

素因数の和:6511

約数の個数: 24

約数和(自身を含む): 3271968

約数和(自身を除く): 1843948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6491, 12982, 25964, 32455, 64910, 71401, 129820, 142802, 285604, 357005, 714010, 1428020]

約数ペア:

[(1, 1428020), (2, 714010), (4, 357005), (5, 285604), (10, 142802), (11, 129820), (20, 71401), (22, 64910), (44, 32455), (55, 25964), (110, 12982), (220, 6491)]