2117804560

素因数分解:

$2^4\times 5^1\times {\mathrm{26472557}}^1$

素因数の和:26472570

約数の個数: 20

約数和(自身を含む): 4923895788

約数和(自身を除く): 2806091228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26472557, 52945114, 105890228, 132362785, 211780456, 264725570, 423560912, 529451140, 1058902280, 2117804560]

約数ペア:

[(1, 2117804560), (2, 1058902280), (4, 529451140), (5, 423560912), (8, 264725570), (10, 211780456), (16, 132362785), (20, 105890228), (40, 52945114), (80, 26472557)]