4989580

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{787}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 10524528

約数和(自身を除く): 5534948

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 787, 1268, 1574, 1585, 3148, 3170, 3935, 6340, 7870, 15740, 249479, 498958, 997916, 1247395, 2494790, 4989580]

約数ペア:

[(1, 4989580), (2, 2494790), (4, 1247395), (5, 997916), (10, 498958), (20, 249479), (317, 15740), (634, 7870), (787, 6340), (1268, 3935), (1574, 3170), (1585, 3148)]