9199867280

素因数分解:

$2^4\times 5^1\times {\mathrm{5351}}^1\times {\mathrm{21491}}^1$

素因数の和:26855

約数の個数: 40

約数和(自身を含む): 21394684224

約数和(自身を除く): 12194816944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5351, 10702, 21404, 21491, 26755, 42808, 42982, 53510, 85616, 85964, 107020, 107455, 171928, 214040, 214910, 343856, 428080, 429820, 859640, 1719280, 114998341, 229996682, 459993364, 574991705, 919986728, 1149983410, 1839973456, 2299966820, 4599933640, 9199867280]

約数ペア:

[(1, 9199867280), (2, 4599933640), (4, 2299966820), (5, 1839973456), (8, 1149983410), (10, 919986728), (16, 574991705), (20, 459993364), (40, 229996682), (80, 114998341), (5351, 1719280), (10702, 859640), (21404, 429820), (21491, 428080), (26755, 343856), (42808, 214910), (42982, 214040), (53510, 171928), (85616, 107455), (85964, 107020)]