25941248380

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{1603291}}^1$

素因数の和:1604109

約数の個数: 24

約数和(自身を含む): 54543993840

約数和(自身を除く): 28602745460

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 1603291, 3206582, 6413164, 8016455, 16032910, 32065820, 1297062419, 2594124838, 5188249676, 6485312095, 12970624190, 25941248380]

約数ペア:

[(1, 25941248380), (2, 12970624190), (4, 6485312095), (5, 5188249676), (10, 2594124838), (20, 1297062419), (809, 32065820), (1618, 16032910), (3236, 8016455), (4045, 6413164), (8090, 3206582), (16180, 1603291)]