26897351680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{509}}^1\times {\mathrm{10321}}^1$

素因数の和:10855

約数の個数: 88

約数和(自身を含む): 64655150040

約数和(自身を除く): 37757798360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 509, 512, 640, 1018, 1024, 1280, 2036, 2545, 2560, 4072, 5090, 5120, 8144, 10180, 10321, 16288, 20360, 20642, 32576, 40720, 41284, 51605, 65152, 81440, 82568, 103210, 130304, 162880, 165136, 206420, 260608, 325760, 330272, 412840, 521216, 651520, 660544, 825680, 1303040, 1321088, 1651360, 2606080, 2642176, 3302720, 5253389, 5284352, 6605440, 10506778, 10568704, 13210880, 21013556, 26266945, 26421760, 42027112, 52533890, 52843520, 84054224, 105067780, 168108448, 210135560, 336216896, 420271120, 672433792, 840542240, 1344867584, 1681084480, 2689735168, 3362168960, 5379470336, 6724337920, 13448675840, 26897351680]

約数ペア:

[(1, 26897351680), (2, 13448675840), (4, 6724337920), (5, 5379470336), (8, 3362168960), (10, 2689735168), (16, 1681084480), (20, 1344867584), (32, 840542240), (40, 672433792), (64, 420271120), (80, 336216896), (128, 210135560), (160, 168108448), (256, 105067780), (320, 84054224), (509, 52843520), (512, 52533890), (640, 42027112), (1018, 26421760), (1024, 26266945), (1280, 21013556), (2036, 13210880), (2545, 10568704), (2560, 10506778), (4072, 6605440), (5090, 5284352), (5120, 5253389), (8144, 3302720), (10180, 2642176), (10321, 2606080), (16288, 1651360), (20360, 1321088), (20642, 1303040), (32576, 825680), (40720, 660544), (41284, 651520), (51605, 521216), (65152, 412840), (81440, 330272), (82568, 325760), (103210, 260608), (130304, 206420), (162880, 165136)]