40262144

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 80

約数和(自身を含む): 90744192

約数和(自身を除く): 50482048

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 256, 263, 299, 368, 416, 512, 526, 598, 736, 832, 1052, 1196, 1472, 1664, 2104, 2392, 2944, 3328, 3419, 4208, 4784, 5888, 6049, 6656, 6838, 8416, 9568, 11776, 12098, 13676, 16832, 19136, 24196, 27352, 33664, 38272, 48392, 54704, 67328, 76544, 78637, 96784, 109408, 134656, 153088, 157274, 193568, 218816, 314548, 387136, 437632, 629096, 774272, 875264, 1258192, 1548544, 1750528, 2516384, 3097088, 5032768, 10065536, 20131072, 40262144]

約数ペア:

[(1, 40262144), (2, 20131072), (4, 10065536), (8, 5032768), (13, 3097088), (16, 2516384), (23, 1750528), (26, 1548544), (32, 1258192), (46, 875264), (52, 774272), (64, 629096), (92, 437632), (104, 387136), (128, 314548), (184, 218816), (208, 193568), (256, 157274), (263, 153088), (299, 134656), (368, 109408), (416, 96784), (512, 78637), (526, 76544), (598, 67328), (736, 54704), (832, 48392), (1052, 38272), (1196, 33664), (1472, 27352), (1664, 24196), (2104, 19136), (2392, 16832), (2944, 13676), (3328, 12098), (3419, 11776), (4208, 9568), (4784, 8416), (5888, 6838), (6049, 6656)]