79728920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42409}}^1$

素因数の和:42467

約数の個数: 32

約数和(自身を含む): 183211200

約数和(自身を除く): 103482280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 42409, 84818, 169636, 212045, 339272, 424090, 848180, 1696360, 1993223, 3986446, 7972892, 9966115, 15945784, 19932230, 39864460, 79728920]

約数ペア:

[(1, 79728920), (2, 39864460), (4, 19932230), (5, 15945784), (8, 9966115), (10, 7972892), (20, 3986446), (40, 1993223), (47, 1696360), (94, 848180), (188, 424090), (235, 339272), (376, 212045), (470, 169636), (940, 84818), (1880, 42409)]