25671470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 28449490

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 71, 95, 110, 142, 173, 190, 209, 346, 355, 418, 710, 781, 865, 1045, 1349, 1562, 1730, 1903, 2090, 2698, 3287, 3806, 3905, 6574, 6745, 7810, 9515, 12283, 13490, 14839, 16435, 19030, 24566, 29678, 32870, 36157, 61415, 72314, 74195, 122830, 135113, 148390, 180785, 233377, 270226, 361570, 466754, 675565, 1166885, 1351130, 2333770, 2567147, 5134294, 12835735, 25671470]

約数ペア:

[(1, 25671470), (2, 12835735), (5, 5134294), (10, 2567147), (11, 2333770), (19, 1351130), (22, 1166885), (38, 675565), (55, 466754), (71, 361570), (95, 270226), (110, 233377), (142, 180785), (173, 148390), (190, 135113), (209, 122830), (346, 74195), (355, 72314), (418, 61415), (710, 36157), (781, 32870), (865, 29678), (1045, 24566), (1349, 19030), (1562, 16435), (1730, 14839), (1903, 13490), (2090, 12283), (2698, 9515), (3287, 7810), (3806, 6745), (3905, 6574)]