2087804560

素因数分解:

$2^4\times 5^1\times {\mathrm{26097557}}^1$

素因数の和:26097570

約数の個数: 20

約数和(自身を含む): 4854145788

約数和(自身を除く): 2766341228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26097557, 52195114, 104390228, 130487785, 208780456, 260975570, 417560912, 521951140, 1043902280, 2087804560]

約数ペア:

[(1, 2087804560), (2, 1043902280), (4, 521951140), (5, 417560912), (8, 260975570), (10, 208780456), (16, 130487785), (20, 104390228), (40, 52195114), (80, 26097557)]