81926920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89051}}^1$

素因数の和:89085

約数の個数: 32

約数和(自身を含む): 192352320

約数和(自身を除く): 110425400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 89051, 178102, 356204, 445255, 712408, 890510, 1781020, 2048173, 3562040, 4096346, 8192692, 10240865, 16385384, 20481730, 40963460, 81926920]

約数ペア:

[(1, 81926920), (2, 40963460), (4, 20481730), (5, 16385384), (8, 10240865), (10, 8192692), (20, 4096346), (23, 3562040), (40, 2048173), (46, 1781020), (92, 890510), (115, 712408), (184, 445255), (230, 356204), (460, 178102), (920, 89051)]