8288920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4409}}^1$

素因数の和:4467

約数の個数: 32

約数和(自身を含む): 19051200

約数和(自身を除く): 10762280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 4409, 8818, 17636, 22045, 35272, 44090, 88180, 176360, 207223, 414446, 828892, 1036115, 1657784, 2072230, 4144460, 8288920]

約数ペア:

[(1, 8288920), (2, 4144460), (4, 2072230), (5, 1657784), (8, 1036115), (10, 828892), (20, 414446), (40, 207223), (47, 176360), (94, 88180), (188, 44090), (235, 35272), (376, 22045), (470, 17636), (940, 8818), (1880, 4409)]