7125340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4003}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 15135120

約数和(自身を除く): 8009780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 4003, 8006, 16012, 20015, 40030, 80060, 356267, 712534, 1425068, 1781335, 3562670, 7125340]

約数ペア:

[(1, 7125340), (2, 3562670), (4, 1781335), (5, 1425068), (10, 712534), (20, 356267), (89, 80060), (178, 40030), (356, 20015), (445, 16012), (890, 8006), (1780, 4003)]