12639250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3889}}^1$

素因数の和:3919

約数の個数: 32

約数和(自身を含む): 25487280

約数和(自身を除く): 12848030

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 3889, 7778, 19445, 38890, 50557, 97225, 101114, 194450, 252785, 486125, 505570, 972250, 1263925, 2527850, 6319625, 12639250]

約数ペア:

[(1, 12639250), (2, 6319625), (5, 2527850), (10, 1263925), (13, 972250), (25, 505570), (26, 486125), (50, 252785), (65, 194450), (125, 101114), (130, 97225), (250, 50557), (325, 38890), (650, 19445), (1625, 7778), (3250, 3889)]