40740220

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12497}}^1$

素因数の和:12669

約数の個数: 24

約数和(自身を含む): 86086224

約数和(自身を除く): 45346004

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 12497, 24994, 49988, 62485, 124970, 249940, 2037011, 4074022, 8148044, 10185055, 20370110, 40740220]

約数ペア:

[(1, 40740220), (2, 20370110), (4, 10185055), (5, 8148044), (10, 4074022), (20, 2037011), (163, 249940), (326, 124970), (652, 62485), (815, 49988), (1630, 24994), (3260, 12497)]