145322960

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{9221}}^1$

素因数の和:9431

約数の個数: 40

約数和(自身を含む): 339627816

約数和(自身を除く): 194304856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 9221, 15760, 18442, 36884, 46105, 73768, 92210, 147536, 184420, 368840, 737680, 1816537, 3633074, 7266148, 9082685, 14532296, 18165370, 29064592, 36330740, 72661480, 145322960]

約数ペア:

[(1, 145322960), (2, 72661480), (4, 36330740), (5, 29064592), (8, 18165370), (10, 14532296), (16, 9082685), (20, 7266148), (40, 3633074), (80, 1816537), (197, 737680), (394, 368840), (788, 184420), (985, 147536), (1576, 92210), (1970, 73768), (3152, 46105), (3940, 36884), (7880, 18442), (9221, 15760)]