8188776080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1\times {\mathrm{2897}}^1$

素因数の和:3396

約数の個数: 80

約数和(自身を含む): 19307982960

約数和(自身を除く): 11119206880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 397, 445, 712, 794, 890, 1424, 1588, 1780, 1985, 2897, 3176, 3560, 3970, 5794, 6352, 7120, 7940, 11588, 14485, 15880, 23176, 28970, 31760, 35333, 46352, 57940, 70666, 115880, 141332, 176665, 231760, 257833, 282664, 353330, 515666, 565328, 706660, 1031332, 1150109, 1289165, 1413320, 2062664, 2300218, 2578330, 2826640, 4125328, 4600436, 5156660, 5750545, 9200872, 10313320, 11501090, 18401744, 20626640, 23002180, 46004360, 92008720, 102359701, 204719402, 409438804, 511798505, 818877608, 1023597010, 1637755216, 2047194020, 4094388040, 8188776080]

約数ペア:

[(1, 8188776080), (2, 4094388040), (4, 2047194020), (5, 1637755216), (8, 1023597010), (10, 818877608), (16, 511798505), (20, 409438804), (40, 204719402), (80, 102359701), (89, 92008720), (178, 46004360), (356, 23002180), (397, 20626640), (445, 18401744), (712, 11501090), (794, 10313320), (890, 9200872), (1424, 5750545), (1588, 5156660), (1780, 4600436), (1985, 4125328), (2897, 2826640), (3176, 2578330), (3560, 2300218), (3970, 2062664), (5794, 1413320), (6352, 1289165), (7120, 1150109), (7940, 1031332), (11588, 706660), (14485, 565328), (15880, 515666), (23176, 353330), (28970, 282664), (31760, 257833), (35333, 231760), (46352, 176665), (57940, 141332), (70666, 115880)]