15540740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21001}}^1$

素因数の和:21047

約数の個数: 24

約数和(自身を含む): 33519192

約数和(自身を除く): 17978452

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 21001, 42002, 84004, 105005, 210010, 420020, 777037, 1554074, 3108148, 3885185, 7770370, 15540740]

約数ペア:

[(1, 15540740), (2, 7770370), (4, 3885185), (5, 3108148), (10, 1554074), (20, 777037), (37, 420020), (74, 210010), (148, 105005), (185, 84004), (370, 42002), (740, 21001)]