1966722080

素因数分解:

$2^5\times 5^1\times {\mathrm{997}}^1\times {\mathrm{12329}}^1$

素因数の和:13341

約数の個数: 48

約数和(自身を含む): 4651418520

約数和(自身を除く): 2684696440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 997, 1994, 3988, 4985, 7976, 9970, 12329, 15952, 19940, 24658, 31904, 39880, 49316, 61645, 79760, 98632, 123290, 159520, 197264, 246580, 394528, 493160, 986320, 1972640, 12292013, 24584026, 49168052, 61460065, 98336104, 122920130, 196672208, 245840260, 393344416, 491680520, 983361040, 1966722080]

約数ペア:

[(1, 1966722080), (2, 983361040), (4, 491680520), (5, 393344416), (8, 245840260), (10, 196672208), (16, 122920130), (20, 98336104), (32, 61460065), (40, 49168052), (80, 24584026), (160, 12292013), (997, 1972640), (1994, 986320), (3988, 493160), (4985, 394528), (7976, 246580), (9970, 197264), (12329, 159520), (15952, 123290), (19940, 98632), (24658, 79760), (31904, 61645), (39880, 49316)]