42990460

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{20089}}^1$

素因数の和:20205

約数の個数: 24

約数和(自身を含む): 91128240

約数和(自身を除く): 48137780

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 20089, 40178, 80356, 100445, 200890, 401780, 2149523, 4299046, 8598092, 10747615, 21495230, 42990460]

約数ペア:

[(1, 42990460), (2, 21495230), (4, 10747615), (5, 8598092), (10, 4299046), (20, 2149523), (107, 401780), (214, 200890), (428, 100445), (535, 80356), (1070, 40178), (2140, 20089)]