12729940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37441}}^1$

素因数の和:37467

約数の個数: 24

約数和(自身を含む): 28306152

約数和(自身を除く): 15576212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 37441, 74882, 149764, 187205, 374410, 636497, 748820, 1272994, 2545988, 3182485, 6364970, 12729940]

約数ペア:

[(1, 12729940), (2, 6364970), (4, 3182485), (5, 2545988), (10, 1272994), (17, 748820), (20, 636497), (34, 374410), (68, 187205), (85, 149764), (170, 74882), (340, 37441)]