123139250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37889}}^1$

素因数の和:37919

約数の個数: 32

約数和(自身を含む): 248255280

約数和(自身を除く): 125116030

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 37889, 75778, 189445, 378890, 492557, 947225, 985114, 1894450, 2462785, 4736125, 4925570, 9472250, 12313925, 24627850, 61569625, 123139250]

約数ペア:

[(1, 123139250), (2, 61569625), (5, 24627850), (10, 12313925), (13, 9472250), (25, 4925570), (26, 4736125), (50, 2462785), (65, 1894450), (125, 985114), (130, 947225), (250, 492557), (325, 378890), (650, 189445), (1625, 75778), (3250, 37889)]