51566620

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{7517}}^1$

素因数の和:7547

約数の個数: 48

約数和(自身を含む): 126302400

約数和(自身を除く): 74735780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 7517, 15034, 30068, 37585, 52619, 75170, 105238, 150340, 210476, 263095, 368333, 526190, 736666, 1052380, 1473332, 1841665, 2578331, 3683330, 5156662, 7366660, 10313324, 12891655, 25783310, 51566620]

約数ペア:

[(1, 51566620), (2, 25783310), (4, 12891655), (5, 10313324), (7, 7366660), (10, 5156662), (14, 3683330), (20, 2578331), (28, 1841665), (35, 1473332), (49, 1052380), (70, 736666), (98, 526190), (140, 368333), (196, 263095), (245, 210476), (343, 150340), (490, 105238), (686, 75170), (980, 52619), (1372, 37585), (1715, 30068), (3430, 15034), (6860, 7517)]