1640185870

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1006249}}^1$

素因数の和:1006419

約数の個数: 16

約数和(自身を含む): 2970450000

約数和(自身を除く): 1330264130

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 1006249, 2012498, 5031245, 10062490, 164018587, 328037174, 820092935, 1640185870]

約数ペア:

[(1, 1640185870), (2, 820092935), (5, 328037174), (10, 164018587), (163, 10062490), (326, 5031245), (815, 2012498), (1630, 1006249)]