1672240

素因数分解:

$2^4\times 5^1\times {\mathrm{20903}}^1$

素因数の和:20916

約数の個数: 20

約数和(自身を含む): 3888144

約数和(自身を除く): 2215904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20903, 41806, 83612, 104515, 167224, 209030, 334448, 418060, 836120, 1672240]

約数ペア:

[(1, 1672240), (2, 836120), (4, 418060), (5, 334448), (8, 209030), (10, 167224), (16, 104515), (20, 83612), (40, 41806), (80, 20903)]