28143260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{317}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 62185536

約数和(自身を除く): 34042276

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 193, 230, 317, 386, 460, 634, 772, 965, 1268, 1585, 1930, 3170, 3860, 4439, 6340, 7291, 8878, 14582, 17756, 22195, 29164, 36455, 44390, 61181, 72910, 88780, 122362, 145820, 244724, 305905, 611810, 1223620, 1407163, 2814326, 5628652, 7035815, 14071630, 28143260]

約数ペア:

[(1, 28143260), (2, 14071630), (4, 7035815), (5, 5628652), (10, 2814326), (20, 1407163), (23, 1223620), (46, 611810), (92, 305905), (115, 244724), (193, 145820), (230, 122362), (317, 88780), (386, 72910), (460, 61181), (634, 44390), (772, 36455), (965, 29164), (1268, 22195), (1585, 17756), (1930, 14582), (3170, 8878), (3860, 7291), (4439, 6340)]