42604420

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{2539}}^1$

素因数の和:3387

約数の個数: 24

約数和(自身を含む): 89611200

約数和(自身を除く): 47006780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1678, 2539, 3356, 4195, 5078, 8390, 10156, 12695, 16780, 25390, 50780, 2130221, 4260442, 8520884, 10651105, 21302210, 42604420]

約数ペア:

[(1, 42604420), (2, 21302210), (4, 10651105), (5, 8520884), (10, 4260442), (20, 2130221), (839, 50780), (1678, 25390), (2539, 16780), (3356, 12695), (4195, 10156), (5078, 8390)]