42347120

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2687}}^1$

素因数の和:2897

約数の個数: 40

約数和(自身を含む): 98993664

約数和(自身を除く): 56646544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 2687, 3152, 3940, 5374, 7880, 10748, 13435, 15760, 21496, 26870, 42992, 53740, 107480, 214960, 529339, 1058678, 2117356, 2646695, 4234712, 5293390, 8469424, 10586780, 21173560, 42347120]

約数ペア:

[(1, 42347120), (2, 21173560), (4, 10586780), (5, 8469424), (8, 5293390), (10, 4234712), (16, 2646695), (20, 2117356), (40, 1058678), (80, 529339), (197, 214960), (394, 107480), (788, 53740), (985, 42992), (1576, 26870), (1970, 21496), (2687, 15760), (3152, 13435), (3940, 10748), (5374, 7880)]