12909130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 25200000

約数和(自身を除く): 12290870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 499, 995, 998, 1990, 2495, 2587, 4990, 5174, 6487, 12935, 12974, 25870, 32435, 64870, 99301, 198602, 496505, 993010, 1290913, 2581826, 6454565, 12909130]

約数ペア:

[(1, 12909130), (2, 6454565), (5, 2581826), (10, 1290913), (13, 993010), (26, 496505), (65, 198602), (130, 99301), (199, 64870), (398, 32435), (499, 25870), (995, 12974), (998, 12935), (1990, 6487), (2495, 5174), (2587, 4990)]