66380440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{237073}}^1$

素因数の和:237091

約数の個数: 32

約数和(自身を含む): 170693280

約数和(自身を除く): 104312840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 237073, 474146, 948292, 1185365, 1659511, 1896584, 2370730, 3319022, 4741460, 6638044, 8297555, 9482920, 13276088, 16595110, 33190220, 66380440]

約数ペア:

[(1, 66380440), (2, 33190220), (4, 16595110), (5, 13276088), (7, 9482920), (8, 8297555), (10, 6638044), (14, 4741460), (20, 3319022), (28, 2370730), (35, 1896584), (40, 1659511), (56, 1185365), (70, 948292), (140, 474146), (280, 237073)]