31226780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120103}}^1$

素因数の和:120125

約数の個数: 24

約数和(自身を含む): 70621152

約数和(自身を除く): 39394372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120103, 240206, 480412, 600515, 1201030, 1561339, 2402060, 3122678, 6245356, 7806695, 15613390, 31226780]

約数ペア:

[(1, 31226780), (2, 15613390), (4, 7806695), (5, 6245356), (10, 3122678), (13, 2402060), (20, 1561339), (26, 1201030), (52, 600515), (65, 480412), (130, 240206), (260, 120103)]