25125760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 128

約数和(自身を含む): 67858560

約数和(自身を除く): 42732800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 83, 86, 88, 110, 128, 160, 166, 172, 176, 215, 220, 320, 332, 344, 352, 415, 430, 440, 473, 640, 664, 688, 704, 830, 860, 880, 913, 946, 1328, 1376, 1408, 1660, 1720, 1760, 1826, 1892, 2365, 2656, 2752, 3320, 3440, 3520, 3569, 3652, 3784, 4565, 4730, 5312, 5504, 6640, 6880, 7040, 7138, 7304, 7568, 9130, 9460, 10624, 13280, 13760, 14276, 14608, 15136, 17845, 18260, 18920, 26560, 27520, 28552, 29216, 30272, 35690, 36520, 37840, 39259, 53120, 57104, 58432, 60544, 71380, 73040, 75680, 78518, 114208, 116864, 142760, 146080, 151360, 157036, 196295, 228416, 285520, 292160, 302720, 314072, 392590, 456832, 571040, 584320, 628144, 785180, 1142080, 1256288, 1570360, 2284160, 2512576, 3140720, 5025152, 6281440, 12562880, 25125760]

約数ペア:

[(1, 25125760), (2, 12562880), (4, 6281440), (5, 5025152), (8, 3140720), (10, 2512576), (11, 2284160), (16, 1570360), (20, 1256288), (22, 1142080), (32, 785180), (40, 628144), (43, 584320), (44, 571040), (55, 456832), (64, 392590), (80, 314072), (83, 302720), (86, 292160), (88, 285520), (110, 228416), (128, 196295), (160, 157036), (166, 151360), (172, 146080), (176, 142760), (215, 116864), (220, 114208), (320, 78518), (332, 75680), (344, 73040), (352, 71380), (415, 60544), (430, 58432), (440, 57104), (473, 53120), (640, 39259), (664, 37840), (688, 36520), (704, 35690), (830, 30272), (860, 29216), (880, 28552), (913, 27520), (946, 26560), (1328, 18920), (1376, 18260), (1408, 17845), (1660, 15136), (1720, 14608), (1760, 14276), (1826, 13760), (1892, 13280), (2365, 10624), (2656, 9460), (2752, 9130), (3320, 7568), (3440, 7304), (3520, 7138), (3569, 7040), (3652, 6880), (3784, 6640), (4565, 5504), (4730, 5312)]