131544080

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6551}}^1$

素因数の和:6815

約数の個数: 40

約数和(自身を含む): 307105344

約数和(自身を除く): 175561264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 6551, 10040, 13102, 20080, 26204, 32755, 52408, 65510, 104816, 131020, 262040, 524080, 1644301, 3288602, 6577204, 8221505, 13154408, 16443010, 26308816, 32886020, 65772040, 131544080]

約数ペア:

[(1, 131544080), (2, 65772040), (4, 32886020), (5, 26308816), (8, 16443010), (10, 13154408), (16, 8221505), (20, 6577204), (40, 3288602), (80, 1644301), (251, 524080), (502, 262040), (1004, 131020), (1255, 104816), (2008, 65510), (2510, 52408), (4016, 32755), (5020, 26204), (6551, 20080), (10040, 13102)]