8738480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5749}}^1$

素因数の和:5781

約数の個数: 40

約数和(自身を含む): 21390000

約数和(自身を除く): 12651520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5749, 11498, 22996, 28745, 45992, 57490, 91984, 109231, 114980, 218462, 229960, 436924, 459920, 546155, 873848, 1092310, 1747696, 2184620, 4369240, 8738480]

約数ペア:

[(1, 8738480), (2, 4369240), (4, 2184620), (5, 1747696), (8, 1092310), (10, 873848), (16, 546155), (19, 459920), (20, 436924), (38, 229960), (40, 218462), (76, 114980), (80, 109231), (95, 91984), (152, 57490), (190, 45992), (304, 28745), (380, 22996), (760, 11498), (1520, 5749)]