202151480

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{60889}}^1$

素因数の和:60983

約数の個数: 32

約数和(自身を含む): 460328400

約数和(自身を除く): 258176920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 60889, 121778, 243556, 304445, 487112, 608890, 1217780, 2435560, 5053787, 10107574, 20215148, 25268935, 40430296, 50537870, 101075740, 202151480]

約数ペア:

[(1, 202151480), (2, 101075740), (4, 50537870), (5, 40430296), (8, 25268935), (10, 20215148), (20, 10107574), (40, 5053787), (83, 2435560), (166, 1217780), (332, 608890), (415, 487112), (664, 304445), (830, 243556), (1660, 121778), (3320, 60889)]