51391480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6329}}^1$

素因数の和:6376

約数の個数: 64

約数和(自身を含む): 136728000

約数和(自身を除く): 85336520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 6329, 8120, 12658, 25316, 31645, 44303, 50632, 63290, 88606, 126580, 177212, 183541, 221515, 253160, 354424, 367082, 443030, 734164, 886060, 917705, 1284787, 1468328, 1772120, 1835410, 2569574, 3670820, 5139148, 6423935, 7341640, 10278296, 12847870, 25695740, 51391480]

約数ペア:

[(1, 51391480), (2, 25695740), (4, 12847870), (5, 10278296), (7, 7341640), (8, 6423935), (10, 5139148), (14, 3670820), (20, 2569574), (28, 1835410), (29, 1772120), (35, 1468328), (40, 1284787), (56, 917705), (58, 886060), (70, 734164), (116, 443030), (140, 367082), (145, 354424), (203, 253160), (232, 221515), (280, 183541), (290, 177212), (406, 126580), (580, 88606), (812, 63290), (1015, 50632), (1160, 44303), (1624, 31645), (2030, 25316), (4060, 12658), (6329, 8120)]