78180140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{126097}}^1$

素因数の和:126137

約数の個数: 24

約数和(自身を含む): 169475712

約数和(自身を除く): 91295572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 126097, 252194, 504388, 630485, 1260970, 2521940, 3909007, 7818014, 15636028, 19545035, 39090070, 78180140]

約数ペア:

[(1, 78180140), (2, 39090070), (4, 19545035), (5, 15636028), (10, 7818014), (20, 3909007), (31, 2521940), (62, 1260970), (124, 630485), (155, 504388), (310, 252194), (620, 126097)]