2056566520

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{125707}}^1$

素因数の和:126127

約数の個数: 32

約数和(自身を含む): 4638625200

約数和(自身を除く): 2582058680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 125707, 251414, 502828, 628535, 1005656, 1257070, 2514140, 5028280, 51414163, 102828326, 205656652, 257070815, 411313304, 514141630, 1028283260, 2056566520]

約数ペア:

[(1, 2056566520), (2, 1028283260), (4, 514141630), (5, 411313304), (8, 257070815), (10, 205656652), (20, 102828326), (40, 51414163), (409, 5028280), (818, 2514140), (1636, 1257070), (2045, 1005656), (3272, 628535), (4090, 502828), (8180, 251414), (16360, 125707)]