80726720

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8699}}^1$

素因数の和:8745

約数の個数: 56

約数和(自身を含む): 198882000

約数和(自身を除く): 118155280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2320, 4640, 8699, 9280, 17398, 34796, 43495, 69592, 86990, 139184, 173980, 252271, 278368, 347960, 504542, 556736, 695920, 1009084, 1261355, 1391840, 2018168, 2522710, 2783680, 4036336, 5045420, 8072672, 10090840, 16145344, 20181680, 40363360, 80726720]

約数ペア:

[(1, 80726720), (2, 40363360), (4, 20181680), (5, 16145344), (8, 10090840), (10, 8072672), (16, 5045420), (20, 4036336), (29, 2783680), (32, 2522710), (40, 2018168), (58, 1391840), (64, 1261355), (80, 1009084), (116, 695920), (145, 556736), (160, 504542), (232, 347960), (290, 278368), (320, 252271), (464, 173980), (580, 139184), (928, 86990), (1160, 69592), (1856, 43495), (2320, 34796), (4640, 17398), (8699, 9280)]