15988780

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3491}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 33732720

約数和(自身を除く): 17743940

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 3491, 4580, 6982, 13964, 17455, 34910, 69820, 799439, 1598878, 3197756, 3997195, 7994390, 15988780]

約数ペア:

[(1, 15988780), (2, 7994390), (4, 3997195), (5, 3197756), (10, 1598878), (20, 799439), (229, 69820), (458, 34910), (916, 17455), (1145, 13964), (2290, 6982), (3491, 4580)]