20160987040

素因数分解:

$2^5\times 5^1\times {\mathrm{3391}}^1\times {\mathrm{37159}}^1$

素因数の和:40565

約数の個数: 48

約数和(自身を含む): 47645660160

約数和(自身を除く): 27484673120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 3391, 6782, 13564, 16955, 27128, 33910, 37159, 54256, 67820, 74318, 108512, 135640, 148636, 185795, 271280, 297272, 371590, 542560, 594544, 743180, 1189088, 1486360, 2972720, 5945440, 126006169, 252012338, 504024676, 630030845, 1008049352, 1260061690, 2016098704, 2520123380, 4032197408, 5040246760, 10080493520, 20160987040]

約数ペア:

[(1, 20160987040), (2, 10080493520), (4, 5040246760), (5, 4032197408), (8, 2520123380), (10, 2016098704), (16, 1260061690), (20, 1008049352), (32, 630030845), (40, 504024676), (80, 252012338), (160, 126006169), (3391, 5945440), (6782, 2972720), (13564, 1486360), (16955, 1189088), (27128, 743180), (33910, 594544), (37159, 542560), (54256, 371590), (67820, 297272), (74318, 271280), (108512, 185795), (135640, 148636)]