838003960

素因数分解:

$2^3\times 5^1\times {\mathrm{20950099}}^1$

素因数の和:20950110

約数の個数: 16

約数和(自身を含む): 1885509000

約数和(自身を除く): 1047505040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20950099, 41900198, 83800396, 104750495, 167600792, 209500990, 419001980, 838003960]

約数ペア:

[(1, 838003960), (2, 419001980), (4, 209500990), (5, 167600792), (8, 104750495), (10, 83800396), (20, 41900198), (40, 20950099)]