100891880

素因数分解:

$2^3\times 5^1\times {\mathrm{2522297}}^1$

素因数の和:2522308

約数の個数: 16

約数和(自身を含む): 227006820

約数和(自身を除く): 126114940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2522297, 5044594, 10089188, 12611485, 20178376, 25222970, 50445940, 100891880]

約数ペア:

[(1, 100891880), (2, 50445940), (4, 25222970), (5, 20178376), (8, 12611485), (10, 10089188), (20, 5044594), (40, 2522297)]