2548880

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 5993664

約数和(自身を除く): 3444784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 211, 302, 422, 604, 755, 844, 1055, 1208, 1510, 1688, 2110, 2416, 3020, 3376, 4220, 6040, 8440, 12080, 16880, 31861, 63722, 127444, 159305, 254888, 318610, 509776, 637220, 1274440, 2548880]

約数ペア:

[(1, 2548880), (2, 1274440), (4, 637220), (5, 509776), (8, 318610), (10, 254888), (16, 159305), (20, 127444), (40, 63722), (80, 31861), (151, 16880), (211, 12080), (302, 8440), (422, 6040), (604, 4220), (755, 3376), (844, 3020), (1055, 2416), (1208, 2110), (1510, 1688)]