83996860

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{21319}}^1$

素因数の和:21525

約数の個数: 24

約数和(自身を含む): 177297120

約数和(自身を除く): 93300260

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 21319, 42638, 85276, 106595, 213190, 426380, 4199843, 8399686, 16799372, 20999215, 41998430, 83996860]

約数ペア:

[(1, 83996860), (2, 41998430), (4, 20999215), (5, 16799372), (10, 8399686), (20, 4199843), (197, 426380), (394, 213190), (788, 106595), (985, 85276), (1970, 42638), (3940, 21319)]