7887280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5189}}^1$

素因数の和:5221

約数の個数: 40

約数和(自身を含む): 19306800

約数和(自身を除く): 11419520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5189, 10378, 20756, 25945, 41512, 51890, 83024, 98591, 103780, 197182, 207560, 394364, 415120, 492955, 788728, 985910, 1577456, 1971820, 3943640, 7887280]

約数ペア:

[(1, 7887280), (2, 3943640), (4, 1971820), (5, 1577456), (8, 985910), (10, 788728), (16, 492955), (19, 415120), (20, 394364), (38, 207560), (40, 197182), (76, 103780), (80, 98591), (95, 83024), (152, 51890), (190, 41512), (304, 25945), (380, 20756), (760, 10378), (1520, 5189)]