66983240

素因数分解:

$2^3\times 5^1\times {\mathrm{1674581}}^1$

素因数の和:1674592

約数の個数: 16

約数和(自身を含む): 150712380

約数和(自身を除く): 83729140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1674581, 3349162, 6698324, 8372905, 13396648, 16745810, 33491620, 66983240]

約数ペア:

[(1, 66983240), (2, 33491620), (4, 16745810), (5, 13396648), (8, 8372905), (10, 6698324), (20, 3349162), (40, 1674581)]