203989840

素因数分解:

$2^4\times 5^1\times {\mathrm{2549873}}^1$

素因数の和:2549886

約数の個数: 20

約数和(自身を含む): 474276564

約数和(自身を除く): 270286724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2549873, 5099746, 10199492, 12749365, 20398984, 25498730, 40797968, 50997460, 101994920, 203989840]

約数ペア:

[(1, 203989840), (2, 101994920), (4, 50997460), (5, 40797968), (8, 25498730), (10, 20398984), (16, 12749365), (20, 10199492), (40, 5099746), (80, 2549873)]