12521410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 24883200

約数和(自身を除く): 12361790

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1279, 1958, 2558, 4895, 6395, 9790, 12790, 14069, 28138, 70345, 113831, 140690, 227662, 569155, 1138310, 1252141, 2504282, 6260705, 12521410]

約数ペア:

[(1, 12521410), (2, 6260705), (5, 2504282), (10, 1252141), (11, 1138310), (22, 569155), (55, 227662), (89, 140690), (110, 113831), (178, 70345), (445, 28138), (890, 14069), (979, 12790), (1279, 9790), (1958, 6395), (2558, 4895)]