51425360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:852

約数の個数: 80

約数和(自身を含む): 137884032

約数和(自身を除く): 86458672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 701, 917, 1048, 1310, 1402, 1834, 2096, 2620, 2804, 3505, 3668, 4585, 4907, 5240, 5608, 7010, 7336, 9170, 9814, 10480, 11216, 14020, 14672, 18340, 19628, 24535, 28040, 36680, 39256, 49070, 56080, 73360, 78512, 91831, 98140, 183662, 196280, 367324, 392560, 459155, 642817, 734648, 918310, 1285634, 1469296, 1836620, 2571268, 3214085, 3673240, 5142536, 6428170, 7346480, 10285072, 12856340, 25712680, 51425360]

約数ペア:

[(1, 51425360), (2, 25712680), (4, 12856340), (5, 10285072), (7, 7346480), (8, 6428170), (10, 5142536), (14, 3673240), (16, 3214085), (20, 2571268), (28, 1836620), (35, 1469296), (40, 1285634), (56, 918310), (70, 734648), (80, 642817), (112, 459155), (131, 392560), (140, 367324), (262, 196280), (280, 183662), (524, 98140), (560, 91831), (655, 78512), (701, 73360), (917, 56080), (1048, 49070), (1310, 39256), (1402, 36680), (1834, 28040), (2096, 24535), (2620, 19628), (2804, 18340), (3505, 14672), (3668, 14020), (4585, 11216), (4907, 10480), (5240, 9814), (5608, 9170), (7010, 7336)]