7728520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1913}}^1$

素因数の和:2025

約数の個数: 32

約数和(自身を含む): 17570520

約数和(自身を除く): 9842000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1913, 2020, 3826, 4040, 7652, 9565, 15304, 19130, 38260, 76520, 193213, 386426, 772852, 966065, 1545704, 1932130, 3864260, 7728520]

約数ペア:

[(1, 7728520), (2, 3864260), (4, 1932130), (5, 1545704), (8, 966065), (10, 772852), (20, 386426), (40, 193213), (101, 76520), (202, 38260), (404, 19130), (505, 15304), (808, 9565), (1010, 7652), (1913, 4040), (2020, 3826)]