12927500

素因数分解:

$2^2\times 5^4\times {\mathrm{5171}}^1$

素因数の和:5195

約数の個数: 30

約数和(自身を含む): 28275324

約数和(自身を除く): 15347824

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 5171, 10342, 20684, 25855, 51710, 103420, 129275, 258550, 517100, 646375, 1292750, 2585500, 3231875, 6463750, 12927500]

約数ペア:

[(1, 12927500), (2, 6463750), (4, 3231875), (5, 2585500), (10, 1292750), (20, 646375), (25, 517100), (50, 258550), (100, 129275), (125, 103420), (250, 51710), (500, 25855), (625, 20684), (1250, 10342), (2500, 5171)]