67791980

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{20297}}^1$

素因数の和:20473

約数の個数: 24

約数和(自身を含む): 143222688

約数和(自身を除く): 75430708

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 20297, 40594, 81188, 101485, 202970, 405940, 3389599, 6779198, 13558396, 16947995, 33895990, 67791980]

約数ペア:

[(1, 67791980), (2, 33895990), (4, 16947995), (5, 13558396), (10, 6779198), (20, 3389599), (167, 405940), (334, 202970), (668, 101485), (835, 81188), (1670, 40594), (3340, 20297)]