24977840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 60987168

約数和(自身を除く): 36009328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 106, 137, 172, 212, 215, 265, 274, 344, 424, 430, 530, 548, 685, 688, 848, 860, 1060, 1096, 1370, 1720, 2120, 2192, 2279, 2740, 3440, 4240, 4558, 5480, 5891, 7261, 9116, 10960, 11395, 11782, 14522, 18232, 22790, 23564, 29044, 29455, 36305, 36464, 45580, 47128, 58088, 58910, 72610, 91160, 94256, 116176, 117820, 145220, 182320, 235640, 290440, 312223, 471280, 580880, 624446, 1248892, 1561115, 2497784, 3122230, 4995568, 6244460, 12488920, 24977840]

約数ペア:

[(1, 24977840), (2, 12488920), (4, 6244460), (5, 4995568), (8, 3122230), (10, 2497784), (16, 1561115), (20, 1248892), (40, 624446), (43, 580880), (53, 471280), (80, 312223), (86, 290440), (106, 235640), (137, 182320), (172, 145220), (212, 117820), (215, 116176), (265, 94256), (274, 91160), (344, 72610), (424, 58910), (430, 58088), (530, 47128), (548, 45580), (685, 36464), (688, 36305), (848, 29455), (860, 29044), (1060, 23564), (1096, 22790), (1370, 18232), (1720, 14522), (2120, 11782), (2192, 11395), (2279, 10960), (2740, 9116), (3440, 7261), (4240, 5891), (4558, 5480)]