39664660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{631}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 95558400

約数和(自身を除く): 55893740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 449, 631, 898, 1262, 1796, 2245, 2524, 3143, 3155, 4417, 4490, 6286, 6310, 8834, 8980, 12572, 12620, 15715, 17668, 22085, 31430, 44170, 62860, 88340, 283319, 566638, 1133276, 1416595, 1983233, 2833190, 3966466, 5666380, 7932932, 9916165, 19832330, 39664660]

約数ペア:

[(1, 39664660), (2, 19832330), (4, 9916165), (5, 7932932), (7, 5666380), (10, 3966466), (14, 2833190), (20, 1983233), (28, 1416595), (35, 1133276), (70, 566638), (140, 283319), (449, 88340), (631, 62860), (898, 44170), (1262, 31430), (1796, 22085), (2245, 17668), (2524, 15715), (3143, 12620), (3155, 12572), (4417, 8980), (4490, 8834), (6286, 6310)]