1323001520

素因数分解:

$2^4\times 5^1\times {\mathrm{827}}^1\times {\mathrm{19997}}^1$

素因数の和:20837

約数の個数: 40

約数和(自身を含む): 3079851984

約数和(自身を除く): 1756850464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 1654, 3308, 4135, 6616, 8270, 13232, 16540, 19997, 33080, 39994, 66160, 79988, 99985, 159976, 199970, 319952, 399940, 799880, 1599760, 16537519, 33075038, 66150076, 82687595, 132300152, 165375190, 264600304, 330750380, 661500760, 1323001520]

約数ペア:

[(1, 1323001520), (2, 661500760), (4, 330750380), (5, 264600304), (8, 165375190), (10, 132300152), (16, 82687595), (20, 66150076), (40, 33075038), (80, 16537519), (827, 1599760), (1654, 799880), (3308, 399940), (4135, 319952), (6616, 199970), (8270, 159976), (13232, 99985), (16540, 79988), (19997, 66160), (33080, 39994)]