213081640

素因数分解:

$2^3\times 5^1\times {\mathrm{5327041}}^1$

素因数の和:5327052

約数の個数: 16

約数和(自身を含む): 479433780

約数和(自身を除く): 266352140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5327041, 10654082, 21308164, 26635205, 42616328, 53270410, 106540820, 213081640]

約数ペア:

[(1, 213081640), (2, 106540820), (4, 53270410), (5, 42616328), (8, 26635205), (10, 21308164), (20, 10654082), (40, 5327041)]