6448940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3623}}^1$

素因数の和:3721

約数の個数: 24

約数和(自身を含む): 13698720

約数和(自身を除く): 7249780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 3623, 7246, 14492, 18115, 36230, 72460, 322447, 644894, 1289788, 1612235, 3224470, 6448940]

約数ペア:

[(1, 6448940), (2, 3224470), (4, 1612235), (5, 1289788), (10, 644894), (20, 322447), (89, 72460), (178, 36230), (356, 18115), (445, 14492), (890, 7246), (1780, 3623)]