131880440

素因数分解:

$2^3\times 5^1\times {\mathrm{3297011}}^1$

素因数の和:3297022

約数の個数: 16

約数和(自身を含む): 296731080

約数和(自身を除く): 164850640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3297011, 6594022, 13188044, 16485055, 26376088, 32970110, 65940220, 131880440]

約数ペア:

[(1, 131880440), (2, 65940220), (4, 32970110), (5, 26376088), (8, 16485055), (10, 13188044), (20, 6594022), (40, 3297011)]