80725148

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 176677200

約数和(自身を除く): 95952052

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 53, 76, 98, 106, 133, 196, 212, 266, 371, 409, 532, 742, 818, 931, 1007, 1484, 1636, 1862, 2014, 2597, 2863, 3724, 4028, 5194, 5726, 7049, 7771, 10388, 11452, 14098, 15542, 20041, 21677, 28196, 31084, 40082, 43354, 49343, 54397, 80164, 86708, 98686, 108794, 151739, 197372, 217588, 303478, 380779, 411863, 606956, 761558, 823726, 1062173, 1523116, 1647452, 2124346, 2883041, 4248692, 5766082, 11532164, 20181287, 40362574, 80725148]

約数ペア:

[(1, 80725148), (2, 40362574), (4, 20181287), (7, 11532164), (14, 5766082), (19, 4248692), (28, 2883041), (38, 2124346), (49, 1647452), (53, 1523116), (76, 1062173), (98, 823726), (106, 761558), (133, 606956), (196, 411863), (212, 380779), (266, 303478), (371, 217588), (409, 197372), (532, 151739), (742, 108794), (818, 98686), (931, 86708), (1007, 80164), (1484, 54397), (1636, 49343), (1862, 43354), (2014, 40082), (2597, 31084), (2863, 28196), (3724, 21677), (4028, 20041), (5194, 15542), (5726, 14098), (7049, 11452), (7771, 10388)]