8871980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34123}}^1$

素因数の和:34145

約数の個数: 24

約数和(自身を含む): 20064912

約数和(自身を除く): 11192932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 34123, 68246, 136492, 170615, 341230, 443599, 682460, 887198, 1774396, 2217995, 4435990, 8871980]

約数ペア:

[(1, 8871980), (2, 4435990), (4, 2217995), (5, 1774396), (10, 887198), (13, 682460), (20, 443599), (26, 341230), (52, 170615), (65, 136492), (130, 68246), (260, 34123)]