7811120

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:653

約数の個数: 40

約数和(自身を含む): 18280080

約数和(自身を除く): 10468960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 389, 502, 778, 1004, 1255, 1556, 1945, 2008, 2510, 3112, 3890, 4016, 5020, 6224, 7780, 10040, 15560, 20080, 31120, 97639, 195278, 390556, 488195, 781112, 976390, 1562224, 1952780, 3905560, 7811120]

約数ペア:

[(1, 7811120), (2, 3905560), (4, 1952780), (5, 1562224), (8, 976390), (10, 781112), (16, 488195), (20, 390556), (40, 195278), (80, 97639), (251, 31120), (389, 20080), (502, 15560), (778, 10040), (1004, 7780), (1255, 6224), (1556, 5020), (1945, 4016), (2008, 3890), (2510, 3112)]