85125880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304021}}^1$

素因数の和:304039

約数の個数: 32

約数和(自身を含む): 218895840

約数和(自身を除く): 133769960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304021, 608042, 1216084, 1520105, 2128147, 2432168, 3040210, 4256294, 6080420, 8512588, 10640735, 12160840, 17025176, 21281470, 42562940, 85125880]

約数ペア:

[(1, 85125880), (2, 42562940), (4, 21281470), (5, 17025176), (7, 12160840), (8, 10640735), (10, 8512588), (14, 6080420), (20, 4256294), (28, 3040210), (35, 2432168), (40, 2128147), (56, 1520105), (70, 1216084), (140, 608042), (280, 304021)]