13243760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8713}}^1$

素因数の和:8745

約数の個数: 40

約数和(自身を含む): 32416080

約数和(自身を除く): 19172320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8713, 17426, 34852, 43565, 69704, 87130, 139408, 165547, 174260, 331094, 348520, 662188, 697040, 827735, 1324376, 1655470, 2648752, 3310940, 6621880, 13243760]

約数ペア:

[(1, 13243760), (2, 6621880), (4, 3310940), (5, 2648752), (8, 1655470), (10, 1324376), (16, 827735), (19, 697040), (20, 662188), (38, 348520), (40, 331094), (76, 174260), (80, 165547), (95, 139408), (152, 87130), (190, 69704), (304, 43565), (380, 34852), (760, 17426), (1520, 8713)]