204250520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{124543}}^1$

素因数の和:124595

約数の個数: 32

約数和(自身を含む): 470776320

約数和(自身を除く): 266525800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 124543, 249086, 498172, 622715, 996344, 1245430, 2490860, 4981720, 5106263, 10212526, 20425052, 25531315, 40850104, 51062630, 102125260, 204250520]

約数ペア:

[(1, 204250520), (2, 102125260), (4, 51062630), (5, 40850104), (8, 25531315), (10, 20425052), (20, 10212526), (40, 5106263), (41, 4981720), (82, 2490860), (164, 1245430), (205, 996344), (328, 622715), (410, 498172), (820, 249086), (1640, 124543)]