80021440

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8623}}^1$

素因数の和:8669

約数の個数: 56

約数和(自身を含む): 197144640

約数和(自身を除く): 117123200

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, 8623, 9280, 17246, 34492, 43115, 68984, 86230, 137968, 172460, 250067, 275936, 344920, 500134, 551872, 689840, 1000268, 1250335, 1379680, 2000536, 2500670, 2759360, 4001072, 5001340, 8002144, 10002680, 16004288, 20005360, 40010720, 80021440]

約数ペア:

[(1, 80021440), (2, 40010720), (4, 20005360), (5, 16004288), (8, 10002680), (10, 8002144), (16, 5001340), (20, 4001072), (29, 2759360), (32, 2500670), (40, 2000536), (58, 1379680), (64, 1250335), (80, 1000268), (116, 689840), (145, 551872), (160, 500134), (232, 344920), (290, 275936), (320, 250067), (464, 172460), (580, 137968), (928, 86230), (1160, 68984), (1856, 43115), (2320, 34492), (4640, 17246), (8623, 9280)]