8504840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2389}}^1$

素因数の和:2489

約数の個数: 32

約数和(自身を含む): 19359000

約数和(自身を除く): 10854160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2389, 3560, 4778, 9556, 11945, 19112, 23890, 47780, 95560, 212621, 425242, 850484, 1063105, 1700968, 2126210, 4252420, 8504840]

約数ペア:

[(1, 8504840), (2, 4252420), (4, 2126210), (5, 1700968), (8, 1063105), (10, 850484), (20, 425242), (40, 212621), (89, 95560), (178, 47780), (356, 23890), (445, 19112), (712, 11945), (890, 9556), (1780, 4778), (2389, 3560)]