42662780

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{2069}}^1$

素因数の和:3109

約数の個数: 24

約数和(自身を含む): 89722080

約数和(自身を除く): 47059300

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 2069, 4124, 4138, 5155, 8276, 10310, 10345, 20620, 20690, 41380, 2133139, 4266278, 8532556, 10665695, 21331390, 42662780]

約数ペア:

[(1, 42662780), (2, 21331390), (4, 10665695), (5, 8532556), (10, 4266278), (20, 2133139), (1031, 41380), (2062, 20690), (2069, 20620), (4124, 10345), (4138, 10310), (5155, 8276)]