20160055120

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1392269}}^1$

素因数の和:1392463

約数の個数: 40

約数和(自身を含む): 47131124040

約数和(自身を除く): 26971068920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 1392269, 2784538, 5569076, 6961345, 11138152, 13922690, 22276304, 27845380, 55690760, 111381520, 252000689, 504001378, 1008002756, 1260003445, 2016005512, 2520006890, 4032011024, 5040013780, 10080027560, 20160055120]

約数ペア:

[(1, 20160055120), (2, 10080027560), (4, 5040013780), (5, 4032011024), (8, 2520006890), (10, 2016005512), (16, 1260003445), (20, 1008002756), (40, 504001378), (80, 252000689), (181, 111381520), (362, 55690760), (724, 27845380), (905, 22276304), (1448, 13922690), (1810, 11138152), (2896, 6961345), (3620, 5569076), (7240, 2784538), (14480, 1392269)]