200519240

素因数分解:

$2^3\times 5^1\times {\mathrm{5012981}}^1$

素因数の和:5012992

約数の個数: 16

約数和(自身を含む): 451168380

約数和(自身を除く): 250649140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5012981, 10025962, 20051924, 25064905, 40103848, 50129810, 100259620, 200519240]

約数ペア:

[(1, 200519240), (2, 100259620), (4, 50129810), (5, 40103848), (8, 25064905), (10, 20051924), (20, 10025962), (40, 5012981)]