102156980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{46861}}^1$

素因数の和:46979

約数の個数: 24

約数和(自身を含む): 216502440

約数和(自身を除く): 114345460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 46861, 93722, 187444, 234305, 468610, 937220, 5107849, 10215698, 20431396, 25539245, 51078490, 102156980]

約数ペア:

[(1, 102156980), (2, 51078490), (4, 25539245), (5, 20431396), (10, 10215698), (20, 5107849), (109, 937220), (218, 468610), (436, 234305), (545, 187444), (1090, 93722), (2180, 46861)]