28807210

素因数分解:

$2^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{10709}}^1$

素因数の和:10985

約数の個数: 16

約数和(自身を含む): 52050600

約数和(自身を除く): 23243390

約数列:

[1, 2, 5, 10, 269, 538, 1345, 2690, 10709, 21418, 53545, 107090, 2880721, 5761442, 14403605, 28807210]

約数ペア:

[(1, 28807210), (2, 14403605), (5, 5761442), (10, 2880721), (269, 107090), (538, 53545), (1345, 21418), (2690, 10709)]