40214480

素因数分解:

$2^4\times 5^1\times {\mathrm{709}}^2$

素因数の和:1431

約数の個数: 30

約数和(自身を含む): 93630726

約数和(自身を除く): 53416246

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 709, 1418, 2836, 3545, 5672, 7090, 11344, 14180, 28360, 56720, 502681, 1005362, 2010724, 2513405, 4021448, 5026810, 8042896, 10053620, 20107240, 40214480]

約数ペア:

[(1, 40214480), (2, 20107240), (4, 10053620), (5, 8042896), (8, 5026810), (10, 4021448), (16, 2513405), (20, 2010724), (40, 1005362), (80, 502681), (709, 56720), (1418, 28360), (2836, 14180), (3545, 11344), (5672, 7090)]