1055819920

素因数分解:

$2^4\times 5^1\times {\mathrm{13197749}}^1$

素因数の和:13197762

約数の個数: 20

約数和(自身を含む): 2454781500

約数和(自身を除く): 1398961580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13197749, 26395498, 52790996, 65988745, 105581992, 131977490, 211163984, 263954980, 527909960, 1055819920]

約数ペア:

[(1, 1055819920), (2, 527909960), (4, 263954980), (5, 211163984), (8, 131977490), (10, 105581992), (16, 65988745), (20, 52790996), (40, 26395498), (80, 13197749)]