13262920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{701}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 33359040

約数和(自身を除く): 20096120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 701, 860, 946, 1402, 1720, 1892, 2365, 2804, 3505, 3784, 4730, 5608, 7010, 7711, 9460, 14020, 15422, 18920, 28040, 30143, 30844, 38555, 60286, 61688, 77110, 120572, 150715, 154220, 241144, 301430, 308440, 331573, 602860, 663146, 1205720, 1326292, 1657865, 2652584, 3315730, 6631460, 13262920]

約数ペア:

[(1, 13262920), (2, 6631460), (4, 3315730), (5, 2652584), (8, 1657865), (10, 1326292), (11, 1205720), (20, 663146), (22, 602860), (40, 331573), (43, 308440), (44, 301430), (55, 241144), (86, 154220), (88, 150715), (110, 120572), (172, 77110), (215, 61688), (220, 60286), (344, 38555), (430, 30844), (440, 30143), (473, 28040), (701, 18920), (860, 15422), (946, 14020), (1402, 9460), (1720, 7711), (1892, 7010), (2365, 5608), (2804, 4730), (3505, 3784)]