1373420

素因数分解:

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

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 2953104

約数和(自身を除く): 1579684

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1597, 3194, 6388, 7985, 15970, 31940, 68671, 137342, 274684, 343355, 686710, 1373420]

約数ペア:

[(1, 1373420), (2, 686710), (4, 343355), (5, 274684), (10, 137342), (20, 68671), (43, 31940), (86, 15970), (172, 7985), (215, 6388), (430, 3194), (860, 1597)]