51680860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:971

約数の個数: 96

約数和(自身を含む): 139120128

約数和(自身を除く): 87439268

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 385, 407, 518, 740, 770, 814, 907, 1036, 1295, 1540, 1628, 1814, 2035, 2590, 2849, 3628, 4070, 4535, 5180, 5698, 6349, 8140, 9070, 9977, 11396, 12698, 14245, 18140, 19954, 25396, 28490, 31745, 33559, 39908, 49885, 56980, 63490, 67118, 69839, 99770, 126980, 134236, 139678, 167795, 199540, 234913, 279356, 335590, 349195, 369149, 469826, 671180, 698390, 738298, 939652, 1174565, 1396780, 1476596, 1845745, 2349130, 2584043, 3691490, 4698260, 5168086, 7382980, 10336172, 12920215, 25840430, 51680860]

約数ペア:

[(1, 51680860), (2, 25840430), (4, 12920215), (5, 10336172), (7, 7382980), (10, 5168086), (11, 4698260), (14, 3691490), (20, 2584043), (22, 2349130), (28, 1845745), (35, 1476596), (37, 1396780), (44, 1174565), (55, 939652), (70, 738298), (74, 698390), (77, 671180), (110, 469826), (140, 369149), (148, 349195), (154, 335590), (185, 279356), (220, 234913), (259, 199540), (308, 167795), (370, 139678), (385, 134236), (407, 126980), (518, 99770), (740, 69839), (770, 67118), (814, 63490), (907, 56980), (1036, 49885), (1295, 39908), (1540, 33559), (1628, 31745), (1814, 28490), (2035, 25396), (2590, 19954), (2849, 18140), (3628, 14245), (4070, 12698), (4535, 11396), (5180, 9977), (5698, 9070), (6349, 8140)]