340557680

素因数分解:

$2^4\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{4219}}^1$

素因数の和:5241

約数の個数: 40

約数和(自身を含む): 792769200

約数和(自身を除く): 452211520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1009, 2018, 4036, 4219, 5045, 8072, 8438, 10090, 16144, 16876, 20180, 21095, 33752, 40360, 42190, 67504, 80720, 84380, 168760, 337520, 4256971, 8513942, 17027884, 21284855, 34055768, 42569710, 68111536, 85139420, 170278840, 340557680]

約数ペア:

[(1, 340557680), (2, 170278840), (4, 85139420), (5, 68111536), (8, 42569710), (10, 34055768), (16, 21284855), (20, 17027884), (40, 8513942), (80, 4256971), (1009, 337520), (2018, 168760), (4036, 84380), (4219, 80720), (5045, 67504), (8072, 42190), (8438, 40360), (10090, 33752), (16144, 21095), (16876, 20180)]