82806040

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{3677}}^1$

素因数の和:4251

約数の個数: 32

約数和(自身を含む): 186695280

約数和(自身を除く): 103889240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 3677, 4504, 5630, 7354, 11260, 14708, 18385, 22520, 29416, 36770, 73540, 147080, 2070151, 4140302, 8280604, 10350755, 16561208, 20701510, 41403020, 82806040]

約数ペア:

[(1, 82806040), (2, 41403020), (4, 20701510), (5, 16561208), (8, 10350755), (10, 8280604), (20, 4140302), (40, 2070151), (563, 147080), (1126, 73540), (2252, 36770), (2815, 29416), (3677, 22520), (4504, 18385), (5630, 14708), (7354, 11260)]