12795974270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{523}}^1\times {\mathrm{2111}}^1$

素因数の和:2721

約数の個数: 64

約数和(自身を含む): 24701276160

約数和(自身を除く): 11905301890

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 523, 610, 1046, 1159, 2111, 2318, 2615, 4222, 5230, 5795, 9937, 10555, 11590, 19874, 21110, 31903, 40109, 49685, 63806, 80218, 99370, 128771, 159515, 200545, 257542, 319030, 401090, 606157, 643855, 1104053, 1212314, 1287710, 2208106, 2446649, 3030785, 4893298, 5520265, 6061570, 11040530, 12233245, 20977007, 24466490, 41954014, 67347233, 104885035, 134694466, 209770070, 336736165, 673472330, 1279597427, 2559194854, 6397987135, 12795974270]

約数ペア:

[(1, 12795974270), (2, 6397987135), (5, 2559194854), (10, 1279597427), (19, 673472330), (38, 336736165), (61, 209770070), (95, 134694466), (122, 104885035), (190, 67347233), (305, 41954014), (523, 24466490), (610, 20977007), (1046, 12233245), (1159, 11040530), (2111, 6061570), (2318, 5520265), (2615, 4893298), (4222, 3030785), (5230, 2446649), (5795, 2208106), (9937, 1287710), (10555, 1212314), (11590, 1104053), (19874, 643855), (21110, 606157), (31903, 401090), (40109, 319030), (49685, 257542), (63806, 200545), (80218, 159515), (99370, 128771)]