198272080

素因数分解:

$2^4\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{1879}}^1$

素因数の和:3211

約数の個数: 40

約数和(自身を含む): 461577600

約数和(自身を除く): 263305520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1319, 1879, 2638, 3758, 5276, 6595, 7516, 9395, 10552, 13190, 15032, 18790, 21104, 26380, 30064, 37580, 52760, 75160, 105520, 150320, 2478401, 4956802, 9913604, 12392005, 19827208, 24784010, 39654416, 49568020, 99136040, 198272080]

約数ペア:

[(1, 198272080), (2, 99136040), (4, 49568020), (5, 39654416), (8, 24784010), (10, 19827208), (16, 12392005), (20, 9913604), (40, 4956802), (80, 2478401), (1319, 150320), (1879, 105520), (2638, 75160), (3758, 52760), (5276, 37580), (6595, 30064), (7516, 26380), (9395, 21104), (10552, 18790), (13190, 15032)]