25326520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15443}}^1$

素因数の和:15495

約数の個数: 32

約数和(自身を含む): 58378320

約数和(自身を除く): 33051800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 15443, 30886, 61772, 77215, 123544, 154430, 308860, 617720, 633163, 1266326, 2532652, 3165815, 5065304, 6331630, 12663260, 25326520]

約数ペア:

[(1, 25326520), (2, 12663260), (4, 6331630), (5, 5065304), (8, 3165815), (10, 2532652), (20, 1266326), (40, 633163), (41, 617720), (82, 308860), (164, 154430), (205, 123544), (328, 77215), (410, 61772), (820, 30886), (1640, 15443)]