406432240

素因数分解:

$2^4\times 5^1\times {\mathrm{5080403}}^1$

素因数の和:5080416

約数の個数: 20

約数和(自身を含む): 944955144

約数和(自身を除く): 538522904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5080403, 10160806, 20321612, 25402015, 40643224, 50804030, 81286448, 101608060, 203216120, 406432240]

約数ペア:

[(1, 406432240), (2, 203216120), (4, 101608060), (5, 81286448), (8, 50804030), (10, 40643224), (16, 25402015), (20, 20321612), (40, 10160806), (80, 5080403)]