1282109620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{25673}}^1$

素因数の和:25920

約数の個数: 48

約数和(自身を含む): 2950250688

約数和(自身を除く): 1668141068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 454, 908, 1135, 2270, 2497, 4540, 4994, 9988, 12485, 24970, 25673, 49940, 51346, 102692, 128365, 256730, 282403, 513460, 564806, 1129612, 1412015, 2824030, 5648060, 5827771, 11655542, 23311084, 29138855, 58277710, 64105481, 116555420, 128210962, 256421924, 320527405, 641054810, 1282109620]

約数ペア:

[(1, 1282109620), (2, 641054810), (4, 320527405), (5, 256421924), (10, 128210962), (11, 116555420), (20, 64105481), (22, 58277710), (44, 29138855), (55, 23311084), (110, 11655542), (220, 5827771), (227, 5648060), (454, 2824030), (908, 1412015), (1135, 1129612), (2270, 564806), (2497, 513460), (4540, 282403), (4994, 256730), (9988, 128365), (12485, 102692), (24970, 51346), (25673, 49940)]