80459560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 185749200

約数和(自身を除く): 105289640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 97, 178, 194, 233, 356, 388, 445, 466, 485, 712, 776, 890, 932, 970, 1165, 1780, 1864, 1940, 2330, 3560, 3880, 4660, 8633, 9320, 17266, 20737, 22601, 34532, 41474, 43165, 45202, 69064, 82948, 86330, 90404, 103685, 113005, 165896, 172660, 180808, 207370, 226010, 345320, 414740, 452020, 829480, 904040, 2011489, 4022978, 8045956, 10057445, 16091912, 20114890, 40229780, 80459560]

約数ペア:

[(1, 80459560), (2, 40229780), (4, 20114890), (5, 16091912), (8, 10057445), (10, 8045956), (20, 4022978), (40, 2011489), (89, 904040), (97, 829480), (178, 452020), (194, 414740), (233, 345320), (356, 226010), (388, 207370), (445, 180808), (466, 172660), (485, 165896), (712, 113005), (776, 103685), (890, 90404), (932, 86330), (970, 82948), (1165, 69064), (1780, 45202), (1864, 43165), (1940, 41474), (2330, 34532), (3560, 22601), (3880, 20737), (4660, 17266), (8633, 9320)]