2016387700

素因数分解:

$2^2\times 5^2\times {\mathrm{991}}^1\times {\mathrm{20347}}^1$

素因数の和:21352

約数の個数: 36

約数和(自身を含む): 4380191872

約数和(自身を除く): 2363804172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 991, 1982, 3964, 4955, 9910, 19820, 20347, 24775, 40694, 49550, 81388, 99100, 101735, 203470, 406940, 508675, 1017350, 2034700, 20163877, 40327754, 80655508, 100819385, 201638770, 403277540, 504096925, 1008193850, 2016387700]

約数ペア:

[(1, 2016387700), (2, 1008193850), (4, 504096925), (5, 403277540), (10, 201638770), (20, 100819385), (25, 80655508), (50, 40327754), (100, 20163877), (991, 2034700), (1982, 1017350), (3964, 508675), (4955, 406940), (9910, 203470), (19820, 101735), (20347, 99100), (24775, 81388), (40694, 49550)]