25402720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 70555968

約数和(自身を除く): 45153248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 518, 560, 592, 613, 740, 1036, 1120, 1184, 1226, 1295, 1480, 2072, 2452, 2590, 2960, 3065, 4144, 4291, 4904, 5180, 5920, 6130, 8288, 8582, 9808, 10360, 12260, 17164, 19616, 20720, 21455, 22681, 24520, 34328, 41440, 42910, 45362, 49040, 68656, 85820, 90724, 98080, 113405, 137312, 158767, 171640, 181448, 226810, 317534, 343280, 362896, 453620, 635068, 686560, 725792, 793835, 907240, 1270136, 1587670, 1814480, 2540272, 3175340, 3628960, 5080544, 6350680, 12701360, 25402720]

約数ペア:

[(1, 25402720), (2, 12701360), (4, 6350680), (5, 5080544), (7, 3628960), (8, 3175340), (10, 2540272), (14, 1814480), (16, 1587670), (20, 1270136), (28, 907240), (32, 793835), (35, 725792), (37, 686560), (40, 635068), (56, 453620), (70, 362896), (74, 343280), (80, 317534), (112, 226810), (140, 181448), (148, 171640), (160, 158767), (185, 137312), (224, 113405), (259, 98080), (280, 90724), (296, 85820), (370, 68656), (518, 49040), (560, 45362), (592, 42910), (613, 41440), (740, 34328), (1036, 24520), (1120, 22681), (1184, 21455), (1226, 20720), (1295, 19616), (1480, 17164), (2072, 12260), (2452, 10360), (2590, 9808), (2960, 8582), (3065, 8288), (4144, 6130), (4291, 5920), (4904, 5180)]