121216540

素因数分解:

$2^2\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{4177}}^1$

素因数の和:5637

約数の個数: 24

約数和(自身を含む): 254791152

約数和(自身を除く): 133574612

約数列:

[1, 2, 4, 5, 10, 20, 1451, 2902, 4177, 5804, 7255, 8354, 14510, 16708, 20885, 29020, 41770, 83540, 6060827, 12121654, 24243308, 30304135, 60608270, 121216540]

約数ペア:

[(1, 121216540), (2, 60608270), (4, 30304135), (5, 24243308), (10, 12121654), (20, 6060827), (1451, 83540), (2902, 41770), (4177, 29020), (5804, 20885), (7255, 16708), (8354, 14510)]