8267480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1223}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 20159280

約数和(自身を除く): 11891800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1223, 1352, 1690, 2446, 3380, 4892, 6115, 6760, 9784, 12230, 15899, 24460, 31798, 48920, 63596, 79495, 127192, 158990, 206687, 317980, 413374, 635960, 826748, 1033435, 1653496, 2066870, 4133740, 8267480]

約数ペア:

[(1, 8267480), (2, 4133740), (4, 2066870), (5, 1653496), (8, 1033435), (10, 826748), (13, 635960), (20, 413374), (26, 317980), (40, 206687), (52, 158990), (65, 127192), (104, 79495), (130, 63596), (169, 48920), (260, 31798), (338, 24460), (520, 15899), (676, 12230), (845, 9784), (1223, 6760), (1352, 6115), (1690, 4892), (2446, 3380)]