31584640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2903}}^1$

素因数の和:2939

約数の個数: 64

約数和(自身を含む): 79976160

約数和(自身を除く): 48391520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 2903, 5440, 5806, 10880, 11612, 14515, 23224, 29030, 46448, 49351, 58060, 92896, 98702, 116120, 185792, 197404, 232240, 246755, 371584, 394808, 464480, 493510, 789616, 928960, 987020, 1579232, 1857920, 1974040, 3158464, 3948080, 6316928, 7896160, 15792320, 31584640]

約数ペア:

[(1, 31584640), (2, 15792320), (4, 7896160), (5, 6316928), (8, 3948080), (10, 3158464), (16, 1974040), (17, 1857920), (20, 1579232), (32, 987020), (34, 928960), (40, 789616), (64, 493510), (68, 464480), (80, 394808), (85, 371584), (128, 246755), (136, 232240), (160, 197404), (170, 185792), (272, 116120), (320, 98702), (340, 92896), (544, 58060), (640, 49351), (680, 46448), (1088, 29030), (1360, 23224), (2176, 14515), (2720, 11612), (2903, 10880), (5440, 5806)]