5811440120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1632427}}^1$

素因数の和:1632527

約数の個数: 32

約数和(自身を含む): 13222666800

約数和(自身を除く): 7411226680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 1632427, 3264854, 6529708, 8162135, 13059416, 16324270, 32648540, 65297080, 145286003, 290572006, 581144012, 726430015, 1162288024, 1452860030, 2905720060, 5811440120]

約数ペア:

[(1, 5811440120), (2, 2905720060), (4, 1452860030), (5, 1162288024), (8, 726430015), (10, 581144012), (20, 290572006), (40, 145286003), (89, 65297080), (178, 32648540), (356, 16324270), (445, 13059416), (712, 8162135), (890, 6529708), (1780, 3264854), (3560, 1632427)]