9997392760

素因数分解:

$2^3\times 5^1\times {\mathrm{249934819}}^1$

素因数の和:249934830

約数の個数: 16

約数和(自身を含む): 22494133800

約数和(自身を除く): 12496741040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 249934819, 499869638, 999739276, 1249674095, 1999478552, 2499348190, 4998696380, 9997392760]

約数ペア:

[(1, 9997392760), (2, 4998696380), (4, 2499348190), (5, 1999478552), (8, 1249674095), (10, 999739276), (20, 499869638), (40, 249934819)]