31106720

素因数分解:

$2^5\times 5^1\times {\mathrm{433}}^1\times {\mathrm{449}}^1$

素因数の和:897

約数の個数: 48

約数和(自身を含む): 73823400

約数和(自身を除く): 42716680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 433, 449, 866, 898, 1732, 1796, 2165, 2245, 3464, 3592, 4330, 4490, 6928, 7184, 8660, 8980, 13856, 14368, 17320, 17960, 34640, 35920, 69280, 71840, 194417, 388834, 777668, 972085, 1555336, 1944170, 3110672, 3888340, 6221344, 7776680, 15553360, 31106720]

約数ペア:

[(1, 31106720), (2, 15553360), (4, 7776680), (5, 6221344), (8, 3888340), (10, 3110672), (16, 1944170), (20, 1555336), (32, 972085), (40, 777668), (80, 388834), (160, 194417), (433, 71840), (449, 69280), (866, 35920), (898, 34640), (1732, 17960), (1796, 17320), (2165, 14368), (2245, 13856), (3464, 8980), (3592, 8660), (4330, 7184), (4490, 6928)]