13780180

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1237}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 29013768

約数和(自身を除く): 15233588

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 1237, 2228, 2474, 2785, 4948, 5570, 6185, 11140, 12370, 24740, 689009, 1378018, 2756036, 3445045, 6890090, 13780180]

約数ペア:

[(1, 13780180), (2, 6890090), (4, 3445045), (5, 2756036), (10, 1378018), (20, 689009), (557, 24740), (1114, 12370), (1237, 11140), (2228, 6185), (2474, 5570), (2785, 4948)]