81216050

素因数分解:

$2^1\times 5^2\times {\mathrm{1624321}}^1$

素因数の和:1624333

約数の個数: 12

約数和(自身を含む): 151061946

約数和(自身を除く): 69845896

約数列:

[1, 2, 5, 10, 25, 50, 1624321, 3248642, 8121605, 16243210, 40608025, 81216050]

約数ペア:

[(1, 81216050), (2, 40608025), (5, 16243210), (10, 8121605), (25, 3248642), (50, 1624321)]