51960280

素因数分解:

$2^3\times 5^1\times {\mathrm{1299007}}^1$

素因数の和:1299018

約数の個数: 16

約数和(自身を含む): 116910720

約数和(自身を除く): 64950440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1299007, 2598014, 5196028, 6495035, 10392056, 12990070, 25980140, 51960280]

約数ペア:

[(1, 51960280), (2, 25980140), (4, 12990070), (5, 10392056), (8, 6495035), (10, 5196028), (20, 2598014), (40, 1299007)]