82112240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{20947}}^1$

素因数の和:20974

約数の個数: 60

約数和(自身を含む): 222090696

約数和(自身を除く): 139978456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 20947, 41894, 83788, 104735, 146629, 167576, 209470, 293258, 335152, 418940, 586516, 733145, 837880, 1026403, 1173032, 1466290, 1675760, 2052806, 2346064, 2932580, 4105612, 5132015, 5865160, 8211224, 10264030, 11730320, 16422448, 20528060, 41056120, 82112240]

約数ペア:

[(1, 82112240), (2, 41056120), (4, 20528060), (5, 16422448), (7, 11730320), (8, 10264030), (10, 8211224), (14, 5865160), (16, 5132015), (20, 4105612), (28, 2932580), (35, 2346064), (40, 2052806), (49, 1675760), (56, 1466290), (70, 1173032), (80, 1026403), (98, 837880), (112, 733145), (140, 586516), (196, 418940), (245, 335152), (280, 293258), (392, 209470), (490, 167576), (560, 146629), (784, 104735), (980, 83788), (1960, 41894), (3920, 20947)]