2556500

素因数分解:

$2^2\times 5^3\times {\mathrm{5113}}^1$

素因数の和:5132

約数の個数: 24

約数和(自身を含む): 5584488

約数和(自身を除く): 3027988

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 5113, 10226, 20452, 25565, 51130, 102260, 127825, 255650, 511300, 639125, 1278250, 2556500]

約数ペア:

[(1, 2556500), (2, 1278250), (4, 639125), (5, 511300), (10, 255650), (20, 127825), (25, 102260), (50, 51130), (100, 25565), (125, 20452), (250, 10226), (500, 5113)]