42257780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29759}}^1$

素因数の和:29839

約数の個数: 24

約数和(自身を含む): 89994240

約数和(自身を除く): 47736460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 29759, 59518, 119036, 148795, 297590, 595180, 2112889, 4225778, 8451556, 10564445, 21128890, 42257780]

約数ペア:

[(1, 42257780), (2, 21128890), (4, 10564445), (5, 8451556), (10, 4225778), (20, 2112889), (71, 595180), (142, 297590), (284, 148795), (355, 119036), (710, 59518), (1420, 29759)]