81087020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3001}}^1$

素因数の和:3210

約数の個数: 48

約数和(自身を含む): 195682368

約数和(自身を除く): 114595348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 3001, 3860, 5404, 6002, 6755, 12004, 13510, 15005, 21007, 27020, 30010, 42014, 60020, 84028, 105035, 210070, 420140, 579193, 1158386, 2316772, 2895965, 4054351, 5791930, 8108702, 11583860, 16217404, 20271755, 40543510, 81087020]

約数ペア:

[(1, 81087020), (2, 40543510), (4, 20271755), (5, 16217404), (7, 11583860), (10, 8108702), (14, 5791930), (20, 4054351), (28, 2895965), (35, 2316772), (70, 1158386), (140, 579193), (193, 420140), (386, 210070), (772, 105035), (965, 84028), (1351, 60020), (1930, 42014), (2702, 30010), (3001, 27020), (3860, 21007), (5404, 15005), (6002, 13510), (6755, 12004)]