12926840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 31168800

約数和(自身を除く): 18241960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 233, 292, 365, 380, 466, 584, 730, 760, 932, 1165, 1387, 1460, 1864, 2330, 2774, 2920, 4427, 4660, 5548, 6935, 8854, 9320, 11096, 13870, 17009, 17708, 22135, 27740, 34018, 35416, 44270, 55480, 68036, 85045, 88540, 136072, 170090, 177080, 323171, 340180, 646342, 680360, 1292684, 1615855, 2585368, 3231710, 6463420, 12926840]

約数ペア:

[(1, 12926840), (2, 6463420), (4, 3231710), (5, 2585368), (8, 1615855), (10, 1292684), (19, 680360), (20, 646342), (38, 340180), (40, 323171), (73, 177080), (76, 170090), (95, 136072), (146, 88540), (152, 85045), (190, 68036), (233, 55480), (292, 44270), (365, 35416), (380, 34018), (466, 27740), (584, 22135), (730, 17708), (760, 17009), (932, 13870), (1165, 11096), (1387, 9320), (1460, 8854), (1864, 6935), (2330, 5548), (2774, 4660), (2920, 4427)]