5205940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 11021472

約数和(自身を除く): 5815532

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1987, 2620, 3974, 7948, 9935, 19870, 39740, 260297, 520594, 1041188, 1301485, 2602970, 5205940]

約数ペア:

[(1, 5205940), (2, 2602970), (4, 1301485), (5, 1041188), (10, 520594), (20, 260297), (131, 39740), (262, 19870), (524, 9935), (655, 7948), (1310, 3974), (1987, 2620)]