38579440

素因数分解:

$2^4\times 5^1\times {\mathrm{482243}}^1$

素因数の和:482256

約数の個数: 20

約数和(自身を含む): 89697384

約数和(自身を除く): 51117944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 482243, 964486, 1928972, 2411215, 3857944, 4822430, 7715888, 9644860, 19289720, 38579440]

約数ペア:

[(1, 38579440), (2, 19289720), (4, 9644860), (5, 7715888), (8, 4822430), (10, 3857944), (16, 2411215), (20, 1928972), (40, 964486), (80, 482243)]