16554040

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{743}}^1$

素因数の和:1311

約数の個数: 32

約数和(自身を含む): 37363680

約数和(自身を除く): 20809640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 743, 1114, 1486, 2228, 2785, 2972, 3715, 4456, 5570, 5944, 7430, 11140, 14860, 22280, 29720, 413851, 827702, 1655404, 2069255, 3310808, 4138510, 8277020, 16554040]

約数ペア:

[(1, 16554040), (2, 8277020), (4, 4138510), (5, 3310808), (8, 2069255), (10, 1655404), (20, 827702), (40, 413851), (557, 29720), (743, 22280), (1114, 14860), (1486, 11140), (2228, 7430), (2785, 5944), (2972, 5570), (3715, 4456)]