65474950

素因数分解:

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

素因数の和:154

約数の個数: 48

約数和(自身を含む): 131397840

約数和(自身を除く): 65922890

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 410, 475, 779, 950, 1025, 1558, 1681, 2050, 3362, 3895, 7790, 8405, 16810, 19475, 31939, 38950, 42025, 63878, 68921, 84050, 137842, 159695, 319390, 344605, 689210, 798475, 1309499, 1596950, 1723025, 2618998, 3446050, 6547495, 13094990, 32737475, 65474950]

約数ペア:

[(1, 65474950), (2, 32737475), (5, 13094990), (10, 6547495), (19, 3446050), (25, 2618998), (38, 1723025), (41, 1596950), (50, 1309499), (82, 798475), (95, 689210), (190, 344605), (205, 319390), (410, 159695), (475, 137842), (779, 84050), (950, 68921), (1025, 63878), (1558, 42025), (1681, 38950), (2050, 31939), (3362, 19475), (3895, 16810), (7790, 8405)]