42990820

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{2339}}^1$

素因数の和:3267

約数の個数: 24

約数和(自身を含む): 90417600

約数和(自身を除く): 47426780

約数列:

[1, 2, 4, 5, 10, 20, 919, 1838, 2339, 3676, 4595, 4678, 9190, 9356, 11695, 18380, 23390, 46780, 2149541, 4299082, 8598164, 10747705, 21495410, 42990820]

約数ペア:

[(1, 42990820), (2, 21495410), (4, 10747705), (5, 8598164), (10, 4299082), (20, 2149541), (919, 46780), (1838, 23390), (2339, 18380), (3676, 11695), (4595, 9356), (4678, 9190)]