42674140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10831}}^1$

素因数の和:11037

約数の個数: 24

約数和(自身を含む): 90078912

約数和(自身を除く): 47404772

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 10831, 21662, 43324, 54155, 108310, 216620, 2133707, 4267414, 8534828, 10668535, 21337070, 42674140]

約数ペア:

[(1, 42674140), (2, 21337070), (4, 10668535), (5, 8534828), (10, 4267414), (20, 2133707), (197, 216620), (394, 108310), (788, 54155), (985, 43324), (1970, 21662), (3940, 10831)]