1551004040

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{203011}}^1$

素因数の和:203213

約数の個数: 32

約数和(自身を含む): 3508047360

約数和(自身を除く): 1957043320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 203011, 406022, 812044, 1015055, 1624088, 2030110, 4060220, 8120440, 38775101, 77550202, 155100404, 193875505, 310200808, 387751010, 775502020, 1551004040]

約数ペア:

[(1, 1551004040), (2, 775502020), (4, 387751010), (5, 310200808), (8, 193875505), (10, 155100404), (20, 77550202), (40, 38775101), (191, 8120440), (382, 4060220), (764, 2030110), (955, 1624088), (1528, 1015055), (1910, 812044), (3820, 406022), (7640, 203011)]