51417340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197759}}^1$

素因数の和:197781

約数の個数: 24

約数和(自身を含む): 116282880

約数和(自身を除く): 64865540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197759, 395518, 791036, 988795, 1977590, 2570867, 3955180, 5141734, 10283468, 12854335, 25708670, 51417340]

約数ペア:

[(1, 51417340), (2, 25708670), (4, 12854335), (5, 10283468), (10, 5141734), (13, 3955180), (20, 2570867), (26, 1977590), (52, 988795), (65, 791036), (130, 395518), (260, 197759)]