72423760

素因数分解:

$2^4\times 5^1\times {\mathrm{905297}}^1$

素因数の和:905310

約数の個数: 20

約数和(自身を含む): 168385428

約数和(自身を除く): 95961668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 905297, 1810594, 3621188, 4526485, 7242376, 9052970, 14484752, 18105940, 36211880, 72423760]

約数ペア:

[(1, 72423760), (2, 36211880), (4, 18105940), (5, 14484752), (8, 9052970), (10, 7242376), (16, 4526485), (20, 3621188), (40, 1810594), (80, 905297)]