2447240

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 5552280

約数和(自身を除く): 3105040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 317, 386, 634, 772, 965, 1268, 1544, 1585, 1930, 2536, 3170, 3860, 6340, 7720, 12680, 61181, 122362, 244724, 305905, 489448, 611810, 1223620, 2447240]

約数ペア:

[(1, 2447240), (2, 1223620), (4, 611810), (5, 489448), (8, 305905), (10, 244724), (20, 122362), (40, 61181), (193, 12680), (317, 7720), (386, 6340), (634, 3860), (772, 3170), (965, 2536), (1268, 1930), (1544, 1585)]