12388640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7039}}^1$

素因数の和:7065

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 19544800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 7039, 14078, 28156, 35195, 56312, 70390, 77429, 112624, 140780, 154858, 225248, 281560, 309716, 387145, 563120, 619432, 774290, 1126240, 1238864, 1548580, 2477728, 3097160, 6194320, 12388640]

約数ペア:

[(1, 12388640), (2, 6194320), (4, 3097160), (5, 2477728), (8, 1548580), (10, 1238864), (11, 1126240), (16, 774290), (20, 619432), (22, 563120), (32, 387145), (40, 309716), (44, 281560), (55, 225248), (80, 154858), (88, 140780), (110, 112624), (160, 77429), (176, 70390), (220, 56312), (352, 35195), (440, 28156), (880, 14078), (1760, 7039)]