39890940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{664849}}^1$

素因数の和:664861

約数の個数: 24

約数和(自身を含む): 111694800

約数和(自身を除く): 71803860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 664849, 1329698, 1994547, 2659396, 3324245, 3989094, 6648490, 7978188, 9972735, 13296980, 19945470, 39890940]

約数ペア:

[(1, 39890940), (2, 19945470), (3, 13296980), (4, 9972735), (5, 7978188), (6, 6648490), (10, 3989094), (12, 3324245), (15, 2659396), (20, 1994547), (30, 1329698), (60, 664849)]