1820402512

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1249}}^1\times {\mathrm{1283}}^1$

素因数の和:2611

約数の個数: 40

約数和(自身を含む): 3582360000

約数和(自身を除く): 1761957488

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1249, 1283, 2498, 2566, 4996, 5132, 9992, 10264, 19984, 20528, 88679, 91093, 177358, 182186, 354716, 364372, 709432, 728744, 1418864, 1457488, 1602467, 3204934, 6409868, 12819736, 25639472, 113775157, 227550314, 455100628, 910201256, 1820402512]

約数ペア:

[(1, 1820402512), (2, 910201256), (4, 455100628), (8, 227550314), (16, 113775157), (71, 25639472), (142, 12819736), (284, 6409868), (568, 3204934), (1136, 1602467), (1249, 1457488), (1283, 1418864), (2498, 728744), (2566, 709432), (4996, 364372), (5132, 354716), (9992, 182186), (10264, 177358), (19984, 91093), (20528, 88679)]