12704875

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 32

約数和(自身を含む): 16930368

約数和(自身を除く): 4225493

約数列:

[1, 5, 25, 37, 41, 67, 125, 185, 205, 335, 925, 1025, 1517, 1675, 2479, 2747, 4625, 5125, 7585, 8375, 12395, 13735, 37925, 61975, 68675, 101639, 189625, 309875, 343375, 508195, 2540975, 12704875]

約数ペア:

[(1, 12704875), (5, 2540975), (25, 508195), (37, 343375), (41, 309875), (67, 189625), (125, 101639), (185, 68675), (205, 61975), (335, 37925), (925, 13735), (1025, 12395), (1517, 8375), (1675, 7585), (2479, 5125), (2747, 4625)]