90977680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 220968000

約数和(自身を除く): 129990320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 106, 172, 212, 215, 265, 344, 424, 430, 499, 530, 688, 848, 860, 998, 1060, 1720, 1996, 2120, 2279, 2495, 3440, 3992, 4240, 4558, 4990, 7984, 9116, 9980, 11395, 18232, 19960, 21457, 22790, 26447, 36464, 39920, 42914, 45580, 52894, 85828, 91160, 105788, 107285, 132235, 171656, 182320, 211576, 214570, 264470, 343312, 423152, 429140, 528940, 858280, 1057880, 1137221, 1716560, 2115760, 2274442, 4548884, 5686105, 9097768, 11372210, 18195536, 22744420, 45488840, 90977680]

約数ペア:

[(1, 90977680), (2, 45488840), (4, 22744420), (5, 18195536), (8, 11372210), (10, 9097768), (16, 5686105), (20, 4548884), (40, 2274442), (43, 2115760), (53, 1716560), (80, 1137221), (86, 1057880), (106, 858280), (172, 528940), (212, 429140), (215, 423152), (265, 343312), (344, 264470), (424, 214570), (430, 211576), (499, 182320), (530, 171656), (688, 132235), (848, 107285), (860, 105788), (998, 91160), (1060, 85828), (1720, 52894), (1996, 45580), (2120, 42914), (2279, 39920), (2495, 36464), (3440, 26447), (3992, 22790), (4240, 21457), (4558, 19960), (4990, 18232), (7984, 11395), (9116, 9980)]