8112740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 18289152

約数和(自身を除く): 10176412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 223, 340, 428, 446, 535, 892, 1070, 1115, 1819, 2140, 2230, 3638, 3791, 4460, 7276, 7582, 9095, 15164, 18190, 18955, 23861, 36380, 37910, 47722, 75820, 95444, 119305, 238610, 405637, 477220, 811274, 1622548, 2028185, 4056370, 8112740]

約数ペア:

[(1, 8112740), (2, 4056370), (4, 2028185), (5, 1622548), (10, 811274), (17, 477220), (20, 405637), (34, 238610), (68, 119305), (85, 95444), (107, 75820), (170, 47722), (214, 37910), (223, 36380), (340, 23861), (428, 18955), (446, 18190), (535, 15164), (892, 9095), (1070, 7582), (1115, 7276), (1819, 4460), (2140, 3791), (2230, 3638)]