16280770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1663}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 16067390

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1663, 1958, 3326, 4895, 8315, 9790, 16630, 18293, 36586, 91465, 148007, 182930, 296014, 740035, 1480070, 1628077, 3256154, 8140385, 16280770]

約数ペア:

[(1, 16280770), (2, 8140385), (5, 3256154), (10, 1628077), (11, 1480070), (22, 740035), (55, 296014), (89, 182930), (110, 148007), (178, 91465), (445, 36586), (890, 18293), (979, 16630), (1663, 9790), (1958, 8315), (3326, 4895)]