39975320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12979}}^1$

素因数の和:13008

約数の個数: 64

約数和(自身を含む): 112147200

約数和(自身を除く): 72171880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 12979, 25958, 51916, 64895, 90853, 103832, 129790, 142769, 181706, 259580, 285538, 363412, 454265, 519160, 571076, 713845, 726824, 908530, 999383, 1142152, 1427690, 1817060, 1998766, 2855380, 3634120, 3997532, 4996915, 5710760, 7995064, 9993830, 19987660, 39975320]

約数ペア:

[(1, 39975320), (2, 19987660), (4, 9993830), (5, 7995064), (7, 5710760), (8, 4996915), (10, 3997532), (11, 3634120), (14, 2855380), (20, 1998766), (22, 1817060), (28, 1427690), (35, 1142152), (40, 999383), (44, 908530), (55, 726824), (56, 713845), (70, 571076), (77, 519160), (88, 454265), (110, 363412), (140, 285538), (154, 259580), (220, 181706), (280, 142769), (308, 129790), (385, 103832), (440, 90853), (616, 64895), (770, 51916), (1540, 25958), (3080, 12979)]