28395250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8737}}^1$

素因数の和:8767

約数の個数: 32

約数和(自身を含む): 57251376

約数和(自身を除く): 28856126

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8737, 17474, 43685, 87370, 113581, 218425, 227162, 436850, 567905, 1092125, 1135810, 2184250, 2839525, 5679050, 14197625, 28395250]

約数ペア:

[(1, 28395250), (2, 14197625), (5, 5679050), (10, 2839525), (13, 2184250), (25, 1135810), (26, 1092125), (50, 567905), (65, 436850), (125, 227162), (130, 218425), (250, 113581), (325, 87370), (650, 43685), (1625, 17474), (3250, 8737)]