28629640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55057}}^1$

素因数の和:55081

約数の個数: 32

約数和(自身を含む): 69373080

約数和(自身を除く): 40743440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55057, 110114, 220228, 275285, 440456, 550570, 715741, 1101140, 1431482, 2202280, 2862964, 3578705, 5725928, 7157410, 14314820, 28629640]

約数ペア:

[(1, 28629640), (2, 14314820), (4, 7157410), (5, 5725928), (8, 3578705), (10, 2862964), (13, 2202280), (20, 1431482), (26, 1101140), (40, 715741), (52, 550570), (65, 440456), (104, 275285), (130, 220228), (260, 110114), (520, 55057)]