28852760

素因数分解:

$2^3\times 5^1\times {\mathrm{721319}}^1$

素因数の和:721330

約数の個数: 16

約数和(自身を含む): 64918800

約数和(自身を除く): 36066040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 721319, 1442638, 2885276, 3606595, 5770552, 7213190, 14426380, 28852760]

約数ペア:

[(1, 28852760), (2, 14426380), (4, 7213190), (5, 5770552), (8, 3606595), (10, 2885276), (20, 1442638), (40, 721319)]