28467040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3631}}^1$

素因数の和:3660

約数の個数: 72

約数和(自身を含む): 78255072

約数和(自身を除く): 49788032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3631, 3920, 7262, 7840, 14524, 18155, 25417, 29048, 36310, 50834, 58096, 72620, 101668, 116192, 127085, 145240, 177919, 203336, 254170, 290480, 355838, 406672, 508340, 580960, 711676, 813344, 889595, 1016680, 1423352, 1779190, 2033360, 2846704, 3558380, 4066720, 5693408, 7116760, 14233520, 28467040]

約数ペア:

[(1, 28467040), (2, 14233520), (4, 7116760), (5, 5693408), (7, 4066720), (8, 3558380), (10, 2846704), (14, 2033360), (16, 1779190), (20, 1423352), (28, 1016680), (32, 889595), (35, 813344), (40, 711676), (49, 580960), (56, 508340), (70, 406672), (80, 355838), (98, 290480), (112, 254170), (140, 203336), (160, 177919), (196, 145240), (224, 127085), (245, 116192), (280, 101668), (392, 72620), (490, 58096), (560, 50834), (784, 36310), (980, 29048), (1120, 25417), (1568, 18155), (1960, 14524), (3631, 7840), (3920, 7262)]