40526020

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5209}}^1$

素因数の和:5607

約数の個数: 24

約数和(自身を含む): 85339800

約数和(自身を除く): 44813780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 5209, 7780, 10418, 20836, 26045, 52090, 104180, 2026301, 4052602, 8105204, 10131505, 20263010, 40526020]

約数ペア:

[(1, 40526020), (2, 20263010), (4, 10131505), (5, 8105204), (10, 4052602), (20, 2026301), (389, 104180), (778, 52090), (1556, 26045), (1945, 20836), (3890, 10418), (5209, 7780)]