12628880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 32569344

約数和(自身を除く): 19940464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 113, 127, 176, 220, 226, 254, 440, 452, 508, 565, 635, 880, 904, 1016, 1130, 1243, 1270, 1397, 1808, 2032, 2260, 2486, 2540, 2794, 4520, 4972, 5080, 5588, 6215, 6985, 9040, 9944, 10160, 11176, 12430, 13970, 14351, 19888, 22352, 24860, 27940, 28702, 49720, 55880, 57404, 71755, 99440, 111760, 114808, 143510, 157861, 229616, 287020, 315722, 574040, 631444, 789305, 1148080, 1262888, 1578610, 2525776, 3157220, 6314440, 12628880]

約数ペア:

[(1, 12628880), (2, 6314440), (4, 3157220), (5, 2525776), (8, 1578610), (10, 1262888), (11, 1148080), (16, 789305), (20, 631444), (22, 574040), (40, 315722), (44, 287020), (55, 229616), (80, 157861), (88, 143510), (110, 114808), (113, 111760), (127, 99440), (176, 71755), (220, 57404), (226, 55880), (254, 49720), (440, 28702), (452, 27940), (508, 24860), (565, 22352), (635, 19888), (880, 14351), (904, 13970), (1016, 12430), (1130, 11176), (1243, 10160), (1270, 9944), (1397, 9040), (1808, 6985), (2032, 6215), (2260, 5588), (2486, 5080), (2540, 4972), (2794, 4520)]