28930460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111271}}^1$

素因数の和:111293

約数の個数: 24

約数和(自身を含む): 65427936

約数和(自身を除く): 36497476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 111271, 222542, 445084, 556355, 1112710, 1446523, 2225420, 2893046, 5786092, 7232615, 14465230, 28930460]

約数ペア:

[(1, 28930460), (2, 14465230), (4, 7232615), (5, 5786092), (10, 2893046), (13, 2225420), (20, 1446523), (26, 1112710), (52, 556355), (65, 445084), (130, 222542), (260, 111271)]