74538820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{90901}}^1$

素因数の和:90951

約数の個数: 24

約数和(自身を含む): 160351128

約数和(自身を除く): 85812308

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 90901, 181802, 363604, 454505, 909010, 1818020, 3726941, 7453882, 14907764, 18634705, 37269410, 74538820]

約数ペア:

[(1, 74538820), (2, 37269410), (4, 18634705), (5, 14907764), (10, 7453882), (20, 3726941), (41, 1818020), (82, 909010), (164, 454505), (205, 363604), (410, 181802), (820, 90901)]