7906840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4597}}^1$

素因数の和:4651

約数の個数: 32

約数和(自身を含む): 18208080

約数和(自身を除く): 10301240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4597, 9194, 18388, 22985, 36776, 45970, 91940, 183880, 197671, 395342, 790684, 988355, 1581368, 1976710, 3953420, 7906840]

約数ペア:

[(1, 7906840), (2, 3953420), (4, 1976710), (5, 1581368), (8, 988355), (10, 790684), (20, 395342), (40, 197671), (43, 183880), (86, 91940), (172, 45970), (215, 36776), (344, 22985), (430, 18388), (860, 9194), (1720, 4597)]