201964040

素因数分解:

$2^3\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{3911}}^1$

素因数の和:5213

約数の個数: 32

約数和(自身を含む): 454887360

約数和(自身を除く): 252923320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1291, 2582, 3911, 5164, 6455, 7822, 10328, 12910, 15644, 19555, 25820, 31288, 39110, 51640, 78220, 156440, 5049101, 10098202, 20196404, 25245505, 40392808, 50491010, 100982020, 201964040]

約数ペア:

[(1, 201964040), (2, 100982020), (4, 50491010), (5, 40392808), (8, 25245505), (10, 20196404), (20, 10098202), (40, 5049101), (1291, 156440), (2582, 78220), (3911, 51640), (5164, 39110), (6455, 31288), (7822, 25820), (10328, 19555), (12910, 15644)]