65941580

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{3307}}^1$

素因数の和:4313

約数の個数: 24

約数和(自身を含む): 138658128

約数和(自身を除く): 72716548

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3307, 3988, 4985, 6614, 9970, 13228, 16535, 19940, 33070, 66140, 3297079, 6594158, 13188316, 16485395, 32970790, 65941580]

約数ペア:

[(1, 65941580), (2, 32970790), (4, 16485395), (5, 13188316), (10, 6594158), (20, 3297079), (997, 66140), (1994, 33070), (3307, 19940), (3988, 16535), (4985, 13228), (6614, 9970)]