7472440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2099}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 17010000

約数和(自身を除く): 9537560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2099, 3560, 4198, 8396, 10495, 16792, 20990, 41980, 83960, 186811, 373622, 747244, 934055, 1494488, 1868110, 3736220, 7472440]

約数ペア:

[(1, 7472440), (2, 3736220), (4, 1868110), (5, 1494488), (8, 934055), (10, 747244), (20, 373622), (40, 186811), (89, 83960), (178, 41980), (356, 20990), (445, 16792), (712, 10495), (890, 8396), (1780, 4198), (2099, 3560)]