16225480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 22965560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 223, 340, 428, 446, 535, 680, 856, 892, 1070, 1115, 1784, 1819, 2140, 2230, 3638, 3791, 4280, 4460, 7276, 7582, 8920, 9095, 14552, 15164, 18190, 18955, 23861, 30328, 36380, 37910, 47722, 72760, 75820, 95444, 119305, 151640, 190888, 238610, 405637, 477220, 811274, 954440, 1622548, 2028185, 3245096, 4056370, 8112740, 16225480]

約数ペア:

[(1, 16225480), (2, 8112740), (4, 4056370), (5, 3245096), (8, 2028185), (10, 1622548), (17, 954440), (20, 811274), (34, 477220), (40, 405637), (68, 238610), (85, 190888), (107, 151640), (136, 119305), (170, 95444), (214, 75820), (223, 72760), (340, 47722), (428, 37910), (446, 36380), (535, 30328), (680, 23861), (856, 18955), (892, 18190), (1070, 15164), (1115, 14552), (1784, 9095), (1819, 8920), (2140, 7582), (2230, 7276), (3638, 4460), (3791, 4280)]