2630840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 5994000

約数和(自身を除く): 3363160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 739, 890, 1478, 1780, 2956, 3560, 3695, 5912, 7390, 14780, 29560, 65771, 131542, 263084, 328855, 526168, 657710, 1315420, 2630840]

約数ペア:

[(1, 2630840), (2, 1315420), (4, 657710), (5, 526168), (8, 328855), (10, 263084), (20, 131542), (40, 65771), (89, 29560), (178, 14780), (356, 7390), (445, 5912), (712, 3695), (739, 3560), (890, 2956), (1478, 1780)]