4268920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 10432800

約数和(自身を除く): 6163880

約数列:

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

約数ペア:

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