64876280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231701}}^1$

素因数の和:231719

約数の個数: 32

約数和(自身を含む): 166825440

約数和(自身を除く): 101949160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231701, 463402, 926804, 1158505, 1621907, 1853608, 2317010, 3243814, 4634020, 6487628, 8109535, 9268040, 12975256, 16219070, 32438140, 64876280]

約数ペア:

[(1, 64876280), (2, 32438140), (4, 16219070), (5, 12975256), (7, 9268040), (8, 8109535), (10, 6487628), (14, 4634020), (20, 3243814), (28, 2317010), (35, 1853608), (40, 1621907), (56, 1158505), (70, 926804), (140, 463402), (280, 231701)]