66440620

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14897}}^1$

素因数の和:15129

約数の個数: 24

約数和(自身を含む): 140160384

約数和(自身を除く): 73719764

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 14897, 29794, 59588, 74485, 148970, 297940, 3322031, 6644062, 13288124, 16610155, 33220310, 66440620]

約数ペア:

[(1, 66440620), (2, 33220310), (4, 16610155), (5, 13288124), (10, 6644062), (20, 3322031), (223, 297940), (446, 148970), (892, 74485), (1115, 59588), (2230, 29794), (4460, 14897)]