20161177760

素因数分解:

$2^5\times 5^1\times {\mathrm{2579}}^1\times {\mathrm{48859}}^1$

素因数の和:51453

約数の個数: 48

約数和(自身を含む): 47650226400

約数和(自身を除く): 27489048640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2579, 5158, 10316, 12895, 20632, 25790, 41264, 48859, 51580, 82528, 97718, 103160, 195436, 206320, 244295, 390872, 412640, 488590, 781744, 977180, 1563488, 1954360, 3908720, 7817440, 126007361, 252014722, 504029444, 630036805, 1008058888, 1260073610, 2016117776, 2520147220, 4032235552, 5040294440, 10080588880, 20161177760]

約数ペア:

[(1, 20161177760), (2, 10080588880), (4, 5040294440), (5, 4032235552), (8, 2520147220), (10, 2016117776), (16, 1260073610), (20, 1008058888), (32, 630036805), (40, 504029444), (80, 252014722), (160, 126007361), (2579, 7817440), (5158, 3908720), (10316, 1954360), (12895, 1563488), (20632, 977180), (25790, 781744), (41264, 488590), (48859, 412640), (51580, 390872), (82528, 244295), (97718, 206320), (103160, 195436)]