4519420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2637

約数の個数: 24

約数和(自身を含む): 9601200

約数和(自身を除く): 5081780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2539, 5078, 10156, 12695, 25390, 50780, 225971, 451942, 903884, 1129855, 2259710, 4519420]

約数ペア:

[(1, 4519420), (2, 2259710), (4, 1129855), (5, 903884), (10, 451942), (20, 225971), (89, 50780), (178, 25390), (356, 12695), (445, 10156), (890, 5078), (1780, 2539)]