42001040

素因数分解:

$2^4\times 5^1\times {\mathrm{525013}}^1$

素因数の和:525026

約数の個数: 20

約数和(自身を含む): 97652604

約数和(自身を除く): 55651564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525013, 1050026, 2100052, 2625065, 4200104, 5250130, 8400208, 10500260, 21000520, 42001040]

約数ペア:

[(1, 42001040), (2, 21000520), (4, 10500260), (5, 8400208), (8, 5250130), (10, 4200104), (16, 2625065), (20, 2100052), (40, 1050026), (80, 525013)]