64135480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{39107}}^1$

素因数の和:39159

約数の個数: 32

約数和(自身を含む): 147828240

約数和(自身を除く): 83692760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 39107, 78214, 156428, 195535, 312856, 391070, 782140, 1564280, 1603387, 3206774, 6413548, 8016935, 12827096, 16033870, 32067740, 64135480]

約数ペア:

[(1, 64135480), (2, 32067740), (4, 16033870), (5, 12827096), (8, 8016935), (10, 6413548), (20, 3206774), (40, 1603387), (41, 1564280), (82, 782140), (164, 391070), (205, 312856), (328, 195535), (410, 156428), (820, 78214), (1640, 39107)]