16080188120

素因数分解:

$2^3\times 5^1\times {\mathrm{402004703}}^1$

素因数の和:402004714

約数の個数: 16

約数和(自身を含む): 36180423360

約数和(自身を除く): 20100235240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 402004703, 804009406, 1608018812, 2010023515, 3216037624, 4020047030, 8040094060, 16080188120]

約数ペア:

[(1, 16080188120), (2, 8040094060), (4, 4020047030), (5, 3216037624), (8, 2010023515), (10, 1608018812), (20, 804009406), (40, 402004703)]