25163840

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 112

約数和(自身を含む): 67592448

約数和(自身を除く): 42428608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 263, 299, 320, 368, 416, 460, 520, 526, 598, 736, 832, 920, 1040, 1052, 1196, 1315, 1472, 1495, 1840, 2080, 2104, 2392, 2630, 2990, 3419, 3680, 4160, 4208, 4784, 5260, 5980, 6049, 6838, 7360, 8416, 9568, 10520, 11960, 12098, 13676, 16832, 17095, 19136, 21040, 23920, 24196, 27352, 30245, 34190, 42080, 47840, 48392, 54704, 60490, 68380, 78637, 84160, 95680, 96784, 109408, 120980, 136760, 157274, 193568, 218816, 241960, 273520, 314548, 387136, 393185, 483920, 547040, 629096, 786370, 967840, 1094080, 1258192, 1572740, 1935680, 2516384, 3145480, 5032768, 6290960, 12581920, 25163840]

約数ペア:

[(1, 25163840), (2, 12581920), (4, 6290960), (5, 5032768), (8, 3145480), (10, 2516384), (13, 1935680), (16, 1572740), (20, 1258192), (23, 1094080), (26, 967840), (32, 786370), (40, 629096), (46, 547040), (52, 483920), (64, 393185), (65, 387136), (80, 314548), (92, 273520), (104, 241960), (115, 218816), (130, 193568), (160, 157274), (184, 136760), (208, 120980), (230, 109408), (260, 96784), (263, 95680), (299, 84160), (320, 78637), (368, 68380), (416, 60490), (460, 54704), (520, 48392), (526, 47840), (598, 42080), (736, 34190), (832, 30245), (920, 27352), (1040, 24196), (1052, 23920), (1196, 21040), (1315, 19136), (1472, 17095), (1495, 16832), (1840, 13676), (2080, 12098), (2104, 11960), (2392, 10520), (2630, 9568), (2990, 8416), (3419, 7360), (3680, 6838), (4160, 6049), (4208, 5980), (4784, 5260)]