79620140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{36523}}^1$

素因数の和:36641

約数の個数: 24

約数和(自身を含む): 168740880

約数和(自身を除く): 89120740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 36523, 73046, 146092, 182615, 365230, 730460, 3981007, 7962014, 15924028, 19905035, 39810070, 79620140]

約数ペア:

[(1, 79620140), (2, 39810070), (4, 19905035), (5, 15924028), (10, 7962014), (20, 3981007), (109, 730460), (218, 365230), (436, 182615), (545, 146092), (1090, 73046), (2180, 36523)]