25145680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 67745664

約数和(自身を除く): 42599984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 83, 112, 140, 166, 280, 332, 415, 541, 560, 581, 664, 830, 1082, 1162, 1328, 1660, 2164, 2324, 2705, 2905, 3320, 3787, 4328, 4648, 5410, 5810, 6640, 7574, 8656, 9296, 10820, 11620, 15148, 18935, 21640, 23240, 30296, 37870, 43280, 44903, 46480, 60592, 75740, 89806, 151480, 179612, 224515, 302960, 314321, 359224, 449030, 628642, 718448, 898060, 1257284, 1571605, 1796120, 2514568, 3143210, 3592240, 5029136, 6286420, 12572840, 25145680]

約数ペア:

[(1, 25145680), (2, 12572840), (4, 6286420), (5, 5029136), (7, 3592240), (8, 3143210), (10, 2514568), (14, 1796120), (16, 1571605), (20, 1257284), (28, 898060), (35, 718448), (40, 628642), (56, 449030), (70, 359224), (80, 314321), (83, 302960), (112, 224515), (140, 179612), (166, 151480), (280, 89806), (332, 75740), (415, 60592), (541, 46480), (560, 44903), (581, 43280), (664, 37870), (830, 30296), (1082, 23240), (1162, 21640), (1328, 18935), (1660, 15148), (2164, 11620), (2324, 10820), (2705, 9296), (2905, 8656), (3320, 7574), (3787, 6640), (4328, 5810), (4648, 5410)]