2499804940

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{394291}}^1$

素因数の和:394617

約数の個数: 24

約数和(自身を含む): 5266163952

約数和(自身を除く): 2766359012

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 394291, 788582, 1577164, 1971455, 3942910, 7885820, 124990247, 249980494, 499960988, 624951235, 1249902470, 2499804940]

約数ペア:

[(1, 2499804940), (2, 1249902470), (4, 624951235), (5, 499960988), (10, 249980494), (20, 124990247), (317, 7885820), (634, 3942910), (1268, 1971455), (1585, 1577164), (3170, 788582), (6340, 394291)]