13700660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 29937600

約数和(自身を除く): 16236940

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 179, 215, 356, 358, 430, 445, 716, 860, 890, 895, 1780, 1790, 3580, 3827, 7654, 7697, 15308, 15394, 15931, 19135, 30788, 31862, 38270, 38485, 63724, 76540, 76970, 79655, 153940, 159310, 318620, 685033, 1370066, 2740132, 3425165, 6850330, 13700660]

約数ペア:

[(1, 13700660), (2, 6850330), (4, 3425165), (5, 2740132), (10, 1370066), (20, 685033), (43, 318620), (86, 159310), (89, 153940), (172, 79655), (178, 76970), (179, 76540), (215, 63724), (356, 38485), (358, 38270), (430, 31862), (445, 30788), (716, 19135), (860, 15931), (890, 15394), (895, 15308), (1780, 7697), (1790, 7654), (3580, 3827)]