8169680

素因数分解:

$2^4\times 5^1\times {\mathrm{102121}}^1$

素因数の和:102134

約数の個数: 20

約数和(自身を含む): 18994692

約数和(自身を除く): 10825012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102121, 204242, 408484, 510605, 816968, 1021210, 1633936, 2042420, 4084840, 8169680]

約数ペア:

[(1, 8169680), (2, 4084840), (4, 2042420), (5, 1633936), (8, 1021210), (10, 816968), (16, 510605), (20, 408484), (40, 204242), (80, 102121)]