16516780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{117977}}^1$

素因数の和:117993

約数の個数: 24

約数和(自身を含む): 39640608

約数和(自身を除く): 23123828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 117977, 235954, 471908, 589885, 825839, 1179770, 1651678, 2359540, 3303356, 4129195, 8258390, 16516780]

約数ペア:

[(1, 16516780), (2, 8258390), (4, 4129195), (5, 3303356), (7, 2359540), (10, 1651678), (14, 1179770), (20, 825839), (28, 589885), (35, 471908), (70, 235954), (140, 117977)]