868863760

素因数分解:

$2^4\times 5^1\times {\mathrm{10860797}}^1$

素因数の和:10860810

約数の個数: 20

約数和(自身を含む): 2020108428

約数和(自身を除く): 1151244668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10860797, 21721594, 43443188, 54303985, 86886376, 108607970, 173772752, 217215940, 434431880, 868863760]

約数ペア:

[(1, 868863760), (2, 434431880), (4, 217215940), (5, 173772752), (8, 108607970), (10, 86886376), (16, 54303985), (20, 43443188), (40, 21721594), (80, 10860797)]