2746840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 6328080

約数和(自身を除く): 3581240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1597, 1720, 3194, 6388, 7985, 12776, 15970, 31940, 63880, 68671, 137342, 274684, 343355, 549368, 686710, 1373420, 2746840]

約数ペア:

[(1, 2746840), (2, 1373420), (4, 686710), (5, 549368), (8, 343355), (10, 274684), (20, 137342), (40, 68671), (43, 63880), (86, 31940), (172, 15970), (215, 12776), (344, 7985), (430, 6388), (860, 3194), (1597, 1720)]