80348020

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{5407}}^1$

素因数の和:6159

約数の個数: 24

約数和(自身を含む): 168989184

約数和(自身を除く): 88641164

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 2972, 3715, 5407, 7430, 10814, 14860, 21628, 27035, 54070, 108140, 4017401, 8034802, 16069604, 20087005, 40174010, 80348020]

約数ペア:

[(1, 80348020), (2, 40174010), (4, 20087005), (5, 16069604), (10, 8034802), (20, 4017401), (743, 108140), (1486, 54070), (2972, 27035), (3715, 21628), (5407, 14860), (7430, 10814)]