25491440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 64662528

約数和(自身を除く): 39171088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 193, 208, 254, 260, 386, 508, 520, 635, 772, 965, 1016, 1040, 1270, 1544, 1651, 1930, 2032, 2509, 2540, 3088, 3302, 3860, 5018, 5080, 6604, 7720, 8255, 10036, 10160, 12545, 13208, 15440, 16510, 20072, 24511, 25090, 26416, 33020, 40144, 49022, 50180, 66040, 98044, 100360, 122555, 132080, 196088, 200720, 245110, 318643, 392176, 490220, 637286, 980440, 1274572, 1593215, 1960880, 2549144, 3186430, 5098288, 6372860, 12745720, 25491440]

約数ペア:

[(1, 25491440), (2, 12745720), (4, 6372860), (5, 5098288), (8, 3186430), (10, 2549144), (13, 1960880), (16, 1593215), (20, 1274572), (26, 980440), (40, 637286), (52, 490220), (65, 392176), (80, 318643), (104, 245110), (127, 200720), (130, 196088), (193, 132080), (208, 122555), (254, 100360), (260, 98044), (386, 66040), (508, 50180), (520, 49022), (635, 40144), (772, 33020), (965, 26416), (1016, 25090), (1040, 24511), (1270, 20072), (1544, 16510), (1651, 15440), (1930, 13208), (2032, 12545), (2509, 10160), (2540, 10036), (3088, 8255), (3302, 7720), (3860, 6604), (5018, 5080)]