101347280

素因数分解:

$2^4\times 5^1\times {\mathrm{1266841}}^1$

素因数の和:1266854

約数の個数: 20

約数和(自身を含む): 235632612

約数和(自身を除く): 134285332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1266841, 2533682, 5067364, 6334205, 10134728, 12668410, 20269456, 25336820, 50673640, 101347280]

約数ペア:

[(1, 101347280), (2, 50673640), (4, 25336820), (5, 20269456), (8, 12668410), (10, 10134728), (16, 6334205), (20, 5067364), (40, 2533682), (80, 1266841)]