1952780

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 4127760

約数和(自身を除く): 2174980

約数列:

[1, 2, 4, 5, 10, 20, 251, 389, 502, 778, 1004, 1255, 1556, 1945, 2510, 3890, 5020, 7780, 97639, 195278, 390556, 488195, 976390, 1952780]

約数ペア:

[(1, 1952780), (2, 976390), (4, 488195), (5, 390556), (10, 195278), (20, 97639), (251, 7780), (389, 5020), (502, 3890), (778, 2510), (1004, 1945), (1255, 1556)]