5089540

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 10731672

約数和(自身を除く): 5642132

約数列:

[1, 2, 4, 5, 10, 20, 397, 641, 794, 1282, 1588, 1985, 2564, 3205, 3970, 6410, 7940, 12820, 254477, 508954, 1017908, 1272385, 2544770, 5089540]

約数ペア:

[(1, 5089540), (2, 2544770), (4, 1272385), (5, 1017908), (10, 508954), (20, 254477), (397, 12820), (641, 7940), (794, 6410), (1282, 3970), (1588, 3205), (1985, 2564)]