64143950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{7591}}^1$

素因数の和:7629

約数の個数: 36

約数和(自身を含む): 129208248

約数和(自身を除く): 65064298

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 7591, 8450, 15182, 37955, 75910, 98683, 189775, 197366, 379550, 493415, 986830, 1282879, 2467075, 2565758, 4934150, 6414395, 12828790, 32071975, 64143950]

約数ペア:

[(1, 64143950), (2, 32071975), (5, 12828790), (10, 6414395), (13, 4934150), (25, 2565758), (26, 2467075), (50, 1282879), (65, 986830), (130, 493415), (169, 379550), (325, 197366), (338, 189775), (650, 98683), (845, 75910), (1690, 37955), (4225, 15182), (7591, 8450)]