28026660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1861}}^1$

素因数の和:2124

約数の個数: 48

約数和(自身を含む): 78829632

約数和(自身を除く): 50802972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 1861, 2510, 3012, 3722, 3765, 5020, 5583, 7444, 7530, 9305, 11166, 15060, 18610, 22332, 27915, 37220, 55830, 111660, 467111, 934222, 1401333, 1868444, 2335555, 2802666, 4671110, 5605332, 7006665, 9342220, 14013330, 28026660]

約数ペア:

[(1, 28026660), (2, 14013330), (3, 9342220), (4, 7006665), (5, 5605332), (6, 4671110), (10, 2802666), (12, 2335555), (15, 1868444), (20, 1401333), (30, 934222), (60, 467111), (251, 111660), (502, 55830), (753, 37220), (1004, 27915), (1255, 22332), (1506, 18610), (1861, 15060), (2510, 11166), (3012, 9305), (3722, 7530), (3765, 7444), (5020, 5583)]