13025920

素因数分解:

$2^7\times 5^1\times {\mathrm{20353}}^1$

素因数の和:20372

約数の個数: 32

約数和(自身を含む): 31141620

約数和(自身を除く): 18115700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20353, 40706, 81412, 101765, 162824, 203530, 325648, 407060, 651296, 814120, 1302592, 1628240, 2605184, 3256480, 6512960, 13025920]

約数ペア:

[(1, 13025920), (2, 6512960), (4, 3256480), (5, 2605184), (8, 1628240), (10, 1302592), (16, 814120), (20, 651296), (32, 407060), (40, 325648), (64, 203530), (80, 162824), (128, 101765), (160, 81412), (320, 40706), (640, 20353)]