64008175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 101493504

約数和(自身を除く): 37485329

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 77, 175, 205, 275, 287, 385, 451, 811, 1025, 1435, 1925, 2255, 3157, 4055, 5677, 7175, 8921, 11275, 15785, 20275, 28385, 33251, 44605, 62447, 78925, 141925, 166255, 223025, 232757, 312235, 365761, 831275, 1163785, 1561175, 1828805, 2560327, 5818925, 9144025, 12801635, 64008175]

約数ペア:

[(1, 64008175), (5, 12801635), (7, 9144025), (11, 5818925), (25, 2560327), (35, 1828805), (41, 1561175), (55, 1163785), (77, 831275), (175, 365761), (205, 312235), (275, 232757), (287, 223025), (385, 166255), (451, 141925), (811, 78925), (1025, 62447), (1435, 44605), (1925, 33251), (2255, 28385), (3157, 20275), (4055, 15785), (5677, 11275), (7175, 8921)]