258741520

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{21419}}^1$

素因数の和:21583

約数の個数: 40

約数和(自身を含む): 605586240

約数和(自身を除く): 346844720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 21419, 42838, 85676, 107095, 171352, 214190, 342704, 428380, 856760, 1713520, 3234269, 6468538, 12937076, 16171345, 25874152, 32342690, 51748304, 64685380, 129370760, 258741520]

約数ペア:

[(1, 258741520), (2, 129370760), (4, 64685380), (5, 51748304), (8, 32342690), (10, 25874152), (16, 16171345), (20, 12937076), (40, 6468538), (80, 3234269), (151, 1713520), (302, 856760), (604, 428380), (755, 342704), (1208, 214190), (1510, 171352), (2416, 107095), (3020, 85676), (6040, 42838), (12080, 21419)]