320417560

素因数分解:

$2^3\times 5^1\times {\mathrm{1847}}^1\times {\mathrm{4337}}^1$

素因数の和:6195

約数の個数: 32

約数和(自身を含む): 721496160

約数和(自身を除く): 401078600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1847, 3694, 4337, 7388, 8674, 9235, 14776, 17348, 18470, 21685, 34696, 36940, 43370, 73880, 86740, 173480, 8010439, 16020878, 32041756, 40052195, 64083512, 80104390, 160208780, 320417560]

約数ペア:

[(1, 320417560), (2, 160208780), (4, 80104390), (5, 64083512), (8, 40052195), (10, 32041756), (20, 16020878), (40, 8010439), (1847, 173480), (3694, 86740), (4337, 73880), (7388, 43370), (8674, 36940), (9235, 34696), (14776, 21685), (17348, 18470)]