78246160

素因数分解:

$2^4\times 5^1\times {\mathrm{978077}}^1$

素因数の和:978090

約数の個数: 20

約数和(自身を含む): 181922508

約数和(自身を除く): 103676348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 978077, 1956154, 3912308, 4890385, 7824616, 9780770, 15649232, 19561540, 39123080, 78246160]

約数ペア:

[(1, 78246160), (2, 39123080), (4, 19561540), (5, 15649232), (8, 9780770), (10, 7824616), (16, 4890385), (20, 3912308), (40, 1956154), (80, 978077)]