40662640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1031}}^1$

素因数の和:1090

約数の個数: 80

約数和(自身を含む): 103654080

約数和(自身を除く): 62991440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1031, 1160, 1360, 1972, 2062, 2320, 2465, 3944, 4124, 4930, 5155, 7888, 8248, 9860, 10310, 16496, 17527, 19720, 20620, 29899, 35054, 39440, 41240, 59798, 70108, 82480, 87635, 119596, 140216, 149495, 175270, 239192, 280432, 298990, 350540, 478384, 508283, 597980, 701080, 1016566, 1195960, 1402160, 2033132, 2391920, 2541415, 4066264, 5082830, 8132528, 10165660, 20331320, 40662640]

約数ペア:

[(1, 40662640), (2, 20331320), (4, 10165660), (5, 8132528), (8, 5082830), (10, 4066264), (16, 2541415), (17, 2391920), (20, 2033132), (29, 1402160), (34, 1195960), (40, 1016566), (58, 701080), (68, 597980), (80, 508283), (85, 478384), (116, 350540), (136, 298990), (145, 280432), (170, 239192), (232, 175270), (272, 149495), (290, 140216), (340, 119596), (464, 87635), (493, 82480), (580, 70108), (680, 59798), (986, 41240), (1031, 39440), (1160, 35054), (1360, 29899), (1972, 20620), (2062, 19720), (2320, 17527), (2465, 16496), (3944, 10310), (4124, 9860), (4930, 8248), (5155, 7888)]