42001240

素因数分解:

$2^3\times 5^1\times {\mathrm{1050031}}^1$

素因数の和:1050042

約数の個数: 16

約数和(自身を含む): 94502880

約数和(自身を除く): 52501640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1050031, 2100062, 4200124, 5250155, 8400248, 10500310, 21000620, 42001240]

約数ペア:

[(1, 42001240), (2, 21000620), (4, 10500310), (5, 8400248), (8, 5250155), (10, 4200124), (20, 2100062), (40, 1050031)]