30909880

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1669}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 69739200

約数和(自身を除く): 38829320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1669, 1852, 2315, 3338, 3704, 4630, 6676, 8345, 9260, 13352, 16690, 18520, 33380, 66760, 772747, 1545494, 3090988, 3863735, 6181976, 7727470, 15454940, 30909880]

約数ペア:

[(1, 30909880), (2, 15454940), (4, 7727470), (5, 6181976), (8, 3863735), (10, 3090988), (20, 1545494), (40, 772747), (463, 66760), (926, 33380), (1669, 18520), (1852, 16690), (2315, 13352), (3338, 9260), (3704, 8345), (4630, 6676)]