68384920

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12479}}^1$

素因数の和:12627

約数の個数: 32

約数和(自身を含む): 155001600

約数和(自身を除く): 86616680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 12479, 24958, 49916, 62395, 99832, 124790, 249580, 499160, 1709623, 3419246, 6838492, 8548115, 13676984, 17096230, 34192460, 68384920]

約数ペア:

[(1, 68384920), (2, 34192460), (4, 17096230), (5, 13676984), (8, 8548115), (10, 6838492), (20, 3419246), (40, 1709623), (137, 499160), (274, 249580), (548, 124790), (685, 99832), (1096, 62395), (1370, 49916), (2740, 24958), (5480, 12479)]