8537840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 21561120

約数和(自身を除く): 13023280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 137, 152, 164, 190, 205, 274, 304, 328, 380, 410, 548, 656, 685, 760, 779, 820, 1096, 1370, 1520, 1558, 1640, 2192, 2603, 2740, 3116, 3280, 3895, 5206, 5480, 5617, 6232, 7790, 10412, 10960, 11234, 12464, 13015, 15580, 20824, 22468, 26030, 28085, 31160, 41648, 44936, 52060, 56170, 62320, 89872, 104120, 106723, 112340, 208240, 213446, 224680, 426892, 449360, 533615, 853784, 1067230, 1707568, 2134460, 4268920, 8537840]

約数ペア:

[(1, 8537840), (2, 4268920), (4, 2134460), (5, 1707568), (8, 1067230), (10, 853784), (16, 533615), (19, 449360), (20, 426892), (38, 224680), (40, 213446), (41, 208240), (76, 112340), (80, 106723), (82, 104120), (95, 89872), (137, 62320), (152, 56170), (164, 52060), (190, 44936), (205, 41648), (274, 31160), (304, 28085), (328, 26030), (380, 22468), (410, 20824), (548, 15580), (656, 13015), (685, 12464), (760, 11234), (779, 10960), (820, 10412), (1096, 7790), (1370, 6232), (1520, 5617), (1558, 5480), (1640, 5206), (2192, 3895), (2603, 3280), (2740, 3116)]