80821808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2777}}^1$

素因数の和:2909

約数の個数: 40

約数和(自身を含む): 167413392

約数和(自身を除く): 86591584

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 107, 136, 214, 272, 428, 856, 1712, 1819, 2777, 3638, 5554, 7276, 11108, 14552, 22216, 29104, 44432, 47209, 94418, 188836, 297139, 377672, 594278, 755344, 1188556, 2377112, 4754224, 5051363, 10102726, 20205452, 40410904, 80821808]

約数ペア:

[(1, 80821808), (2, 40410904), (4, 20205452), (8, 10102726), (16, 5051363), (17, 4754224), (34, 2377112), (68, 1188556), (107, 755344), (136, 594278), (214, 377672), (272, 297139), (428, 188836), (856, 94418), (1712, 47209), (1819, 44432), (2777, 29104), (3638, 22216), (5554, 14552), (7276, 11108)]