43790680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 101645280

約数和(自身を除く): 57854600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 131, 137, 244, 262, 274, 305, 488, 524, 548, 610, 655, 685, 1048, 1096, 1220, 1310, 1370, 2440, 2620, 2740, 5240, 5480, 7991, 8357, 15982, 16714, 17947, 31964, 33428, 35894, 39955, 41785, 63928, 66856, 71788, 79910, 83570, 89735, 143576, 159820, 167140, 179470, 319640, 334280, 358940, 717880, 1094767, 2189534, 4379068, 5473835, 8758136, 10947670, 21895340, 43790680]

約数ペア:

[(1, 43790680), (2, 21895340), (4, 10947670), (5, 8758136), (8, 5473835), (10, 4379068), (20, 2189534), (40, 1094767), (61, 717880), (122, 358940), (131, 334280), (137, 319640), (244, 179470), (262, 167140), (274, 159820), (305, 143576), (488, 89735), (524, 83570), (548, 79910), (610, 71788), (655, 66856), (685, 63928), (1048, 41785), (1096, 39955), (1220, 35894), (1310, 33428), (1370, 31964), (2440, 17947), (2620, 16714), (2740, 15982), (5240, 8357), (5480, 7991)]