28868060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111031}}^1$

素因数の和:111053

約数の個数: 24

約数和(自身を含む): 65286816

約数和(自身を除く): 36418756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 111031, 222062, 444124, 555155, 1110310, 1443403, 2220620, 2886806, 5773612, 7217015, 14434030, 28868060]

約数ペア:

[(1, 28868060), (2, 14434030), (4, 7217015), (5, 5773612), (10, 2886806), (13, 2220620), (20, 1443403), (26, 1110310), (52, 555155), (65, 444124), (130, 222062), (260, 111031)]