118890460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457271}}^1$

素因数の和:457293

約数の個数: 24

約数和(自身を含む): 268875936

約数和(自身を除く): 149985476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 457271, 914542, 1829084, 2286355, 4572710, 5944523, 9145420, 11889046, 23778092, 29722615, 59445230, 118890460]

約数ペア:

[(1, 118890460), (2, 59445230), (4, 29722615), (5, 23778092), (10, 11889046), (13, 9145420), (20, 5944523), (26, 4572710), (52, 2286355), (65, 1829084), (130, 914542), (260, 457271)]