254575280

素因数分解:

$2^4\times 5^1\times {\mathrm{3182191}}^1$

素因数の和:3182204

約数の個数: 20

約数和(自身を含む): 591887712

約数和(自身を除く): 337312432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3182191, 6364382, 12728764, 15910955, 25457528, 31821910, 50915056, 63643820, 127287640, 254575280]

約数ペア:

[(1, 254575280), (2, 127287640), (4, 63643820), (5, 50915056), (8, 31821910), (10, 25457528), (16, 15910955), (20, 12728764), (40, 6364382), (80, 3182191)]