16912240

素因数分解:

$2^4\times 5^1\times {\mathrm{211403}}^1$

素因数の和:211416

約数の個数: 20

約数和(自身を含む): 39321144

約数和(自身を除く): 22408904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211403, 422806, 845612, 1057015, 1691224, 2114030, 3382448, 4228060, 8456120, 16912240]

約数ペア:

[(1, 16912240), (2, 8456120), (4, 4228060), (5, 3382448), (8, 2114030), (10, 1691224), (16, 1057015), (20, 845612), (40, 422806), (80, 211403)]