25885720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 69439680

約数和(自身を除く): 43553960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 140, 188, 196, 235, 245, 280, 281, 329, 376, 392, 470, 490, 562, 658, 940, 980, 1124, 1316, 1405, 1645, 1880, 1960, 1967, 2248, 2303, 2632, 2810, 3290, 3934, 4606, 5620, 6580, 7868, 9212, 9835, 11240, 11515, 13160, 13207, 13769, 15736, 18424, 19670, 23030, 26414, 27538, 39340, 46060, 52828, 55076, 66035, 68845, 78680, 92120, 92449, 105656, 110152, 132070, 137690, 184898, 264140, 275380, 369796, 462245, 528280, 550760, 647143, 739592, 924490, 1294286, 1848980, 2588572, 3235715, 3697960, 5177144, 6471430, 12942860, 25885720]

約数ペア:

[(1, 25885720), (2, 12942860), (4, 6471430), (5, 5177144), (7, 3697960), (8, 3235715), (10, 2588572), (14, 1848980), (20, 1294286), (28, 924490), (35, 739592), (40, 647143), (47, 550760), (49, 528280), (56, 462245), (70, 369796), (94, 275380), (98, 264140), (140, 184898), (188, 137690), (196, 132070), (235, 110152), (245, 105656), (280, 92449), (281, 92120), (329, 78680), (376, 68845), (392, 66035), (470, 55076), (490, 52828), (562, 46060), (658, 39340), (940, 27538), (980, 26414), (1124, 23030), (1316, 19670), (1405, 18424), (1645, 15736), (1880, 13769), (1960, 13207), (1967, 13160), (2248, 11515), (2303, 11240), (2632, 9835), (2810, 9212), (3290, 7868), (3934, 6580), (4606, 5620)]