51601940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198469}}^1$

素因数の和:198491

約数の個数: 24

約数和(自身を含む): 116700360

約数和(自身を除く): 65098420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198469, 396938, 793876, 992345, 1984690, 2580097, 3969380, 5160194, 10320388, 12900485, 25800970, 51601940]

約数ペア:

[(1, 51601940), (2, 25800970), (4, 12900485), (5, 10320388), (10, 5160194), (13, 3969380), (20, 2580097), (26, 1984690), (52, 992345), (65, 793876), (130, 396938), (260, 198469)]