80898424

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{19867}}^1$

素因数の和:20382

約数の個数: 16

約数和(自身を含む): 151990200

約数和(自身を除く): 71091776

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 19867, 39734, 79468, 158936, 10112303, 20224606, 40449212, 80898424]

約数ペア:

[(1, 80898424), (2, 40449212), (4, 20224606), (8, 10112303), (509, 158936), (1018, 79468), (2036, 39734), (4072, 19867)]