71305760

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3253}}^1$

素因数の和:3405

約数の個数: 48

約数和(自身を含む): 169741656

約数和(自身を除く): 98435896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 3253, 4384, 5480, 6506, 10960, 13012, 16265, 21920, 26024, 32530, 52048, 65060, 104096, 130120, 260240, 445661, 520480, 891322, 1782644, 2228305, 3565288, 4456610, 7130576, 8913220, 14261152, 17826440, 35652880, 71305760]

約数ペア:

[(1, 71305760), (2, 35652880), (4, 17826440), (5, 14261152), (8, 8913220), (10, 7130576), (16, 4456610), (20, 3565288), (32, 2228305), (40, 1782644), (80, 891322), (137, 520480), (160, 445661), (274, 260240), (548, 130120), (685, 104096), (1096, 65060), (1370, 52048), (2192, 32530), (2740, 26024), (3253, 21920), (4384, 16265), (5480, 13012), (6506, 10960)]