12705940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48869}}^1$

素因数の和:48891

約数の個数: 24

約数和(自身を含む): 28735560

約数和(自身を除く): 16029620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48869, 97738, 195476, 244345, 488690, 635297, 977380, 1270594, 2541188, 3176485, 6352970, 12705940]

約数ペア:

[(1, 12705940), (2, 6352970), (4, 3176485), (5, 2541188), (10, 1270594), (13, 977380), (20, 635297), (26, 488690), (52, 244345), (65, 195476), (130, 97738), (260, 48869)]