42047020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{39667}}^1$

素因数の和:39729

約数の個数: 24

約数和(自身を含む): 89967024

約数和(自身を除く): 47920004

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 39667, 79334, 158668, 198335, 396670, 793340, 2102351, 4204702, 8409404, 10511755, 21023510, 42047020]

約数ペア:

[(1, 42047020), (2, 21023510), (4, 10511755), (5, 8409404), (10, 4204702), (20, 2102351), (53, 793340), (106, 396670), (212, 198335), (265, 158668), (530, 79334), (1060, 39667)]