78085240

素因数分解:

$2^3\times 5^1\times {\mathrm{1952131}}^1$

素因数の和:1952142

約数の個数: 16

約数和(自身を含む): 175691880

約数和(自身を除く): 97606640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1952131, 3904262, 7808524, 9760655, 15617048, 19521310, 39042620, 78085240]

約数ペア:

[(1, 78085240), (2, 39042620), (4, 19521310), (5, 15617048), (8, 9760655), (10, 7808524), (20, 3904262), (40, 1952131)]