7812920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5279}}^1$

素因数の和:5327

約数の個数: 32

約数和(自身を含む): 18057600

約数和(自身を除く): 10244680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 5279, 10558, 21116, 26395, 42232, 52790, 105580, 195323, 211160, 390646, 781292, 976615, 1562584, 1953230, 3906460, 7812920]

約数ペア:

[(1, 7812920), (2, 3906460), (4, 1953230), (5, 1562584), (8, 976615), (10, 781292), (20, 390646), (37, 211160), (40, 195323), (74, 105580), (148, 52790), (185, 42232), (296, 26395), (370, 21116), (740, 10558), (1480, 5279)]