12890410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 25154640

約数和(自身を除く): 12264230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 433, 458, 866, 1145, 2165, 2290, 2977, 4330, 5629, 5954, 11258, 14885, 28145, 29770, 56290, 99157, 198314, 495785, 991570, 1289041, 2578082, 6445205, 12890410]

約数ペア:

[(1, 12890410), (2, 6445205), (5, 2578082), (10, 1289041), (13, 991570), (26, 495785), (65, 198314), (130, 99157), (229, 56290), (433, 29770), (458, 28145), (866, 14885), (1145, 11258), (2165, 5954), (2290, 5629), (2977, 4330)]