5200247420

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{654943}}^1$

素因数の和:655349

約数の個数: 24

約数和(自身を含む): 10948043904

約数和(自身を除く): 5747796484

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 654943, 1309886, 2619772, 3274715, 6549430, 13098860, 260012371, 520024742, 1040049484, 1300061855, 2600123710, 5200247420]

約数ペア:

[(1, 5200247420), (2, 2600123710), (4, 1300061855), (5, 1040049484), (10, 520024742), (20, 260012371), (397, 13098860), (794, 6549430), (1588, 3274715), (1985, 2619772), (3970, 1309886), (7940, 654943)]