80517760

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1413

約数の個数: 64

約数和(自身を含む): 194622120

約数和(自身を除く): 114104360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1297, 1552, 1940, 2594, 3104, 3880, 5188, 6208, 6485, 7760, 10376, 12416, 12970, 15520, 20752, 25940, 31040, 41504, 51880, 62080, 83008, 103760, 125809, 166016, 207520, 251618, 415040, 503236, 629045, 830080, 1006472, 1258090, 2012944, 2516180, 4025888, 5032360, 8051776, 10064720, 16103552, 20129440, 40258880, 80517760]

約数ペア:

[(1, 80517760), (2, 40258880), (4, 20129440), (5, 16103552), (8, 10064720), (10, 8051776), (16, 5032360), (20, 4025888), (32, 2516180), (40, 2012944), (64, 1258090), (80, 1006472), (97, 830080), (128, 629045), (160, 503236), (194, 415040), (320, 251618), (388, 207520), (485, 166016), (640, 125809), (776, 103760), (970, 83008), (1297, 62080), (1552, 51880), (1940, 41504), (2594, 31040), (3104, 25940), (3880, 20752), (5188, 15520), (6208, 12970), (6485, 12416), (7760, 10376)]