81555248050

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{857}}^1\times {\mathrm{997}}^1$

素因数の和:1972

約数の個数: 96

約数和(自身を含む): 160542974592

約数和(自身を除く): 78987726542

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 83, 115, 166, 230, 415, 575, 830, 857, 997, 1150, 1714, 1909, 1994, 2075, 3818, 4150, 4285, 4985, 8570, 9545, 9970, 19090, 19711, 21425, 22931, 24925, 39422, 42850, 45862, 47725, 49850, 71131, 82751, 95450, 98555, 114655, 142262, 165502, 197110, 229310, 355655, 413755, 492775, 573275, 711310, 827510, 854429, 985550, 1146550, 1636013, 1708858, 1778275, 1903273, 2068775, 3272026, 3556550, 3806546, 4137550, 4272145, 8180065, 8544290, 9516365, 16360130, 19032730, 19651867, 21360725, 39303734, 40900325, 42721450, 47581825, 70917607, 81800650, 95163650, 98259335, 141835214, 196518670, 354588035, 491296675, 709176070, 982593350, 1631104961, 1772940175, 3262209922, 3545880350, 8155524805, 16311049610, 40777624025, 81555248050]

約数ペア:

[(1, 81555248050), (2, 40777624025), (5, 16311049610), (10, 8155524805), (23, 3545880350), (25, 3262209922), (46, 1772940175), (50, 1631104961), (83, 982593350), (115, 709176070), (166, 491296675), (230, 354588035), (415, 196518670), (575, 141835214), (830, 98259335), (857, 95163650), (997, 81800650), (1150, 70917607), (1714, 47581825), (1909, 42721450), (1994, 40900325), (2075, 39303734), (3818, 21360725), (4150, 19651867), (4285, 19032730), (4985, 16360130), (8570, 9516365), (9545, 8544290), (9970, 8180065), (19090, 4272145), (19711, 4137550), (21425, 3806546), (22931, 3556550), (24925, 3272026), (39422, 2068775), (42850, 1903273), (45862, 1778275), (47725, 1708858), (49850, 1636013), (71131, 1146550), (82751, 985550), (95450, 854429), (98555, 827510), (114655, 711310), (142262, 573275), (165502, 492775), (197110, 413755), (229310, 355655)]