80965480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30211}}^1$

素因数の和:30289

約数の個数: 32

約数和(自身を含む): 184897440

約数和(自身を除く): 103931960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 30211, 60422, 120844, 151055, 241688, 302110, 604220, 1208440, 2024137, 4048274, 8096548, 10120685, 16193096, 20241370, 40482740, 80965480]

約数ペア:

[(1, 80965480), (2, 40482740), (4, 20241370), (5, 16193096), (8, 10120685), (10, 8096548), (20, 4048274), (40, 2024137), (67, 1208440), (134, 604220), (268, 302110), (335, 241688), (536, 151055), (670, 120844), (1340, 60422), (2680, 30211)]