12561380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48313}}^1$

素因数の和:48335

約数の個数: 24

約数和(自身を含む): 28408632

約数和(自身を除く): 15847252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48313, 96626, 193252, 241565, 483130, 628069, 966260, 1256138, 2512276, 3140345, 6280690, 12561380]

約数ペア:

[(1, 12561380), (2, 6280690), (4, 3140345), (5, 2512276), (10, 1256138), (13, 966260), (20, 628069), (26, 483130), (52, 241565), (65, 193252), (130, 96626), (260, 48313)]