13657520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2161}}^1$

素因数の和:2253

約数の個数: 40

約数和(自身を含む): 32170560

約数和(自身を除く): 18513040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2161, 3160, 4322, 6320, 8644, 10805, 17288, 21610, 34576, 43220, 86440, 170719, 172880, 341438, 682876, 853595, 1365752, 1707190, 2731504, 3414380, 6828760, 13657520]

約数ペア:

[(1, 13657520), (2, 6828760), (4, 3414380), (5, 2731504), (8, 1707190), (10, 1365752), (16, 853595), (20, 682876), (40, 341438), (79, 172880), (80, 170719), (158, 86440), (316, 43220), (395, 34576), (632, 21610), (790, 17288), (1264, 10805), (1580, 8644), (2161, 6320), (3160, 4322)]