26189980

素因数分解:

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

素因数の和:151

約数の個数: 48

約数和(自身を含む): 59340960

約数和(自身を除く): 33150980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 1681, 3116, 3362, 3895, 6724, 7790, 8405, 15580, 16810, 31939, 33620, 63878, 68921, 127756, 137842, 159695, 275684, 319390, 344605, 638780, 689210, 1309499, 1378420, 2618998, 5237996, 6547495, 13094990, 26189980]

約数ペア:

[(1, 26189980), (2, 13094990), (4, 6547495), (5, 5237996), (10, 2618998), (19, 1378420), (20, 1309499), (38, 689210), (41, 638780), (76, 344605), (82, 319390), (95, 275684), (164, 159695), (190, 137842), (205, 127756), (380, 68921), (410, 63878), (779, 33620), (820, 31939), (1558, 16810), (1681, 15580), (3116, 8405), (3362, 7790), (3895, 6724)]