26440120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 68817600

約数和(自身を除く): 42377480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1061, 1246, 1780, 2122, 2492, 3115, 3560, 4244, 4984, 5305, 6230, 7427, 8488, 10610, 12460, 14854, 21220, 24920, 29708, 37135, 42440, 59416, 74270, 94429, 148540, 188858, 297080, 377716, 472145, 661003, 755432, 944290, 1322006, 1888580, 2644012, 3305015, 3777160, 5288024, 6610030, 13220060, 26440120]

約数ペア:

[(1, 26440120), (2, 13220060), (4, 6610030), (5, 5288024), (7, 3777160), (8, 3305015), (10, 2644012), (14, 1888580), (20, 1322006), (28, 944290), (35, 755432), (40, 661003), (56, 472145), (70, 377716), (89, 297080), (140, 188858), (178, 148540), (280, 94429), (356, 74270), (445, 59416), (623, 42440), (712, 37135), (890, 29708), (1061, 24920), (1246, 21220), (1780, 14854), (2122, 12460), (2492, 10610), (3115, 8488), (3560, 7427), (4244, 6230), (4984, 5305)]