13608760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 33786720

約数和(自身を除く): 20177960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 197, 220, 314, 394, 440, 628, 785, 788, 985, 1256, 1570, 1576, 1727, 1970, 2167, 3140, 3454, 3940, 4334, 6280, 6908, 7880, 8635, 8668, 10835, 13816, 17270, 17336, 21670, 30929, 34540, 43340, 61858, 69080, 86680, 123716, 154645, 247432, 309290, 340219, 618580, 680438, 1237160, 1360876, 1701095, 2721752, 3402190, 6804380, 13608760]

約数ペア:

[(1, 13608760), (2, 6804380), (4, 3402190), (5, 2721752), (8, 1701095), (10, 1360876), (11, 1237160), (20, 680438), (22, 618580), (40, 340219), (44, 309290), (55, 247432), (88, 154645), (110, 123716), (157, 86680), (197, 69080), (220, 61858), (314, 43340), (394, 34540), (440, 30929), (628, 21670), (785, 17336), (788, 17270), (985, 13816), (1256, 10835), (1570, 8668), (1576, 8635), (1727, 7880), (1970, 6908), (2167, 6280), (3140, 4334), (3454, 3940)]