12796880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8419}}^1$

素因数の和:8451

約数の個数: 40

約数和(自身を含む): 31322400

約数和(自身を除く): 18525520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8419, 16838, 33676, 42095, 67352, 84190, 134704, 159961, 168380, 319922, 336760, 639844, 673520, 799805, 1279688, 1599610, 2559376, 3199220, 6398440, 12796880]

約数ペア:

[(1, 12796880), (2, 6398440), (4, 3199220), (5, 2559376), (8, 1599610), (10, 1279688), (16, 799805), (19, 673520), (20, 639844), (38, 336760), (40, 319922), (76, 168380), (80, 159961), (95, 134704), (152, 84190), (190, 67352), (304, 42095), (380, 33676), (760, 16838), (1520, 8419)]