13220060

素因数分解:

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

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 32114880

約数和(自身を除く): 18894820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1061, 1246, 1780, 2122, 2492, 3115, 4244, 5305, 6230, 7427, 10610, 12460, 14854, 21220, 29708, 37135, 74270, 94429, 148540, 188858, 377716, 472145, 661003, 944290, 1322006, 1888580, 2644012, 3305015, 6610030, 13220060]

約数ペア:

[(1, 13220060), (2, 6610030), (4, 3305015), (5, 2644012), (7, 1888580), (10, 1322006), (14, 944290), (20, 661003), (28, 472145), (35, 377716), (70, 188858), (89, 148540), (140, 94429), (178, 74270), (356, 37135), (445, 29708), (623, 21220), (890, 14854), (1061, 12460), (1246, 10610), (1780, 7427), (2122, 6230), (2492, 5305), (3115, 4244)]