68672540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 149657760

約数和(自身を除く): 80985220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 83, 164, 166, 205, 332, 410, 415, 820, 830, 1009, 1660, 2018, 3403, 4036, 5045, 6806, 10090, 13612, 17015, 20180, 34030, 41369, 68060, 82738, 83747, 165476, 167494, 206845, 334988, 413690, 418735, 827380, 837470, 1674940, 3433627, 6867254, 13734508, 17168135, 34336270, 68672540]

約数ペア:

[(1, 68672540), (2, 34336270), (4, 17168135), (5, 13734508), (10, 6867254), (20, 3433627), (41, 1674940), (82, 837470), (83, 827380), (164, 418735), (166, 413690), (205, 334988), (332, 206845), (410, 167494), (415, 165476), (820, 83747), (830, 82738), (1009, 68060), (1660, 41369), (2018, 34030), (3403, 20180), (4036, 17015), (5045, 13612), (6806, 10090)]