28556060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109831}}^1$

素因数の和:109853

約数の個数: 24

約数和(自身を含む): 64581216

約数和(自身を除く): 36025156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109831, 219662, 439324, 549155, 1098310, 1427803, 2196620, 2855606, 5711212, 7139015, 14278030, 28556060]

約数ペア:

[(1, 28556060), (2, 14278030), (4, 7139015), (5, 5711212), (10, 2855606), (13, 2196620), (20, 1427803), (26, 1098310), (52, 549155), (65, 439324), (130, 219662), (260, 109831)]