39942680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13679}}^1$

素因数の和:13763

約数の個数: 32

約数和(自身を含む): 91108800

約数和(自身を除く): 51166120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 13679, 27358, 54716, 68395, 109432, 136790, 273580, 547160, 998567, 1997134, 3994268, 4992835, 7988536, 9985670, 19971340, 39942680]

約数ペア:

[(1, 39942680), (2, 19971340), (4, 9985670), (5, 7988536), (8, 4992835), (10, 3994268), (20, 1997134), (40, 998567), (73, 547160), (146, 273580), (292, 136790), (365, 109432), (584, 68395), (730, 54716), (1460, 27358), (2920, 13679)]