31588660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 70874496

約数和(自身を除く): 39285836

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1597, 1978, 3194, 3956, 4945, 6388, 7985, 9890, 15970, 19780, 31940, 36731, 68671, 73462, 137342, 146924, 183655, 274684, 343355, 367310, 686710, 734620, 1373420, 1579433, 3158866, 6317732, 7897165, 15794330, 31588660]

約数ペア:

[(1, 31588660), (2, 15794330), (4, 7897165), (5, 6317732), (10, 3158866), (20, 1579433), (23, 1373420), (43, 734620), (46, 686710), (86, 367310), (92, 343355), (115, 274684), (172, 183655), (215, 146924), (230, 137342), (430, 73462), (460, 68671), (860, 36731), (989, 31940), (1597, 19780), (1978, 15970), (3194, 9890), (3956, 7985), (4945, 6388)]