2160920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 4924800

約数和(自身を除く): 2763880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 607, 712, 890, 1214, 1780, 2428, 3035, 3560, 4856, 6070, 12140, 24280, 54023, 108046, 216092, 270115, 432184, 540230, 1080460, 2160920]

約数ペア:

[(1, 2160920), (2, 1080460), (4, 540230), (5, 432184), (8, 270115), (10, 216092), (20, 108046), (40, 54023), (89, 24280), (178, 12140), (356, 6070), (445, 4856), (607, 3560), (712, 3035), (890, 2428), (1214, 1780)]