79899640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68879}}^1$

素因数の和:68919

約数の個数: 32

約数和(自身を含む): 185976000

約数和(自身を除く): 106076360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 68879, 137758, 275516, 344395, 551032, 688790, 1377580, 1997491, 2755160, 3994982, 7989964, 9987455, 15979928, 19974910, 39949820, 79899640]

約数ペア:

[(1, 79899640), (2, 39949820), (4, 19974910), (5, 15979928), (8, 9987455), (10, 7989964), (20, 3994982), (29, 2755160), (40, 1997491), (58, 1377580), (116, 688790), (145, 551032), (232, 344395), (290, 275516), (580, 137758), (1160, 68879)]