12890180

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1117}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 27140568

約数和(自身を除く): 14250388

約数列:

[1, 2, 4, 5, 10, 20, 577, 1117, 1154, 2234, 2308, 2885, 4468, 5585, 5770, 11170, 11540, 22340, 644509, 1289018, 2578036, 3222545, 6445090, 12890180]

約数ペア:

[(1, 12890180), (2, 6445090), (4, 3222545), (5, 2578036), (10, 1289018), (20, 644509), (577, 22340), (1117, 11540), (1154, 11170), (2234, 5770), (2308, 5585), (2885, 4468)]