16804548025

素因数分解:

$5^2\times {\mathrm{17}}^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 23488496640

約数和(自身を除く): 6683948615

約数列:

[1, 5, 17, 25, 41, 47, 71, 85, 205, 235, 289, 355, 425, 697, 799, 1025, 1175, 1207, 1445, 1775, 1927, 2911, 3337, 3485, 3995, 4913, 6035, 7225, 9635, 11849, 13583, 14555, 16685, 17425, 19975, 20519, 24565, 30175, 32759, 48175, 49487, 56729, 59245, 67915, 72775, 83425, 102595, 122825, 136817, 163795, 201433, 230911, 247435, 283645, 296225, 339575, 348823, 512975, 556903, 684085, 818975, 841279, 964393, 1007165, 1154555, 1237175, 1418225, 1744115, 2325889, 2784515, 3420425, 4206395, 4821965, 5035825, 5772775, 8720575, 9467351, 11629445, 13922575, 14301743, 16394681, 21031975, 24109825, 39540113, 47336755, 58147225, 71508715, 81973405, 197700565, 236683775, 357543575, 409867025, 672181921, 988502825, 3360909605, 16804548025]

約数ペア:

[(1, 16804548025), (5, 3360909605), (17, 988502825), (25, 672181921), (41, 409867025), (47, 357543575), (71, 236683775), (85, 197700565), (205, 81973405), (235, 71508715), (289, 58147225), (355, 47336755), (425, 39540113), (697, 24109825), (799, 21031975), (1025, 16394681), (1175, 14301743), (1207, 13922575), (1445, 11629445), (1775, 9467351), (1927, 8720575), (2911, 5772775), (3337, 5035825), (3485, 4821965), (3995, 4206395), (4913, 3420425), (6035, 2784515), (7225, 2325889), (9635, 1744115), (11849, 1418225), (13583, 1237175), (14555, 1154555), (16685, 1007165), (17425, 964393), (19975, 841279), (20519, 818975), (24565, 684085), (30175, 556903), (32759, 512975), (48175, 348823), (49487, 339575), (56729, 296225), (59245, 283645), (67915, 247435), (72775, 230911), (83425, 201433), (102595, 163795), (122825, 136817)]