2827640

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 6410880

約数和(自身を除く): 3583240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 317, 446, 634, 892, 1115, 1268, 1585, 1784, 2230, 2536, 3170, 4460, 6340, 8920, 12680, 70691, 141382, 282764, 353455, 565528, 706910, 1413820, 2827640]

約数ペア:

[(1, 2827640), (2, 1413820), (4, 706910), (5, 565528), (8, 353455), (10, 282764), (20, 141382), (40, 70691), (223, 12680), (317, 8920), (446, 6340), (634, 4460), (892, 3170), (1115, 2536), (1268, 2230), (1585, 1784)]