28207640

素因数分解:

$2^3\times 5^1\times {\mathrm{705191}}^1$

素因数の和:705202

約数の個数: 16

約数和(自身を含む): 63467280

約数和(自身を除く): 35259640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 705191, 1410382, 2820764, 3525955, 5641528, 7051910, 14103820, 28207640]

約数ペア:

[(1, 28207640), (2, 14103820), (4, 7051910), (5, 5641528), (8, 3525955), (10, 2820764), (20, 1410382), (40, 705191)]