80065520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{34511}}^1$

素因数の和:34553

約数の個数: 40

約数和(自身を含む): 192576960

約数和(自身を除く): 112511440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 34511, 69022, 138044, 172555, 276088, 345110, 552176, 690220, 1000819, 1380440, 2001638, 2760880, 4003276, 5004095, 8006552, 10008190, 16013104, 20016380, 40032760, 80065520]

約数ペア:

[(1, 80065520), (2, 40032760), (4, 20016380), (5, 16013104), (8, 10008190), (10, 8006552), (16, 5004095), (20, 4003276), (29, 2760880), (40, 2001638), (58, 1380440), (80, 1000819), (116, 690220), (145, 552176), (232, 345110), (290, 276088), (464, 172555), (580, 138044), (1160, 69022), (2320, 34511)]